diff --git a/assets/data/help/MiniHelp.no.fb2 b/assets/data/help/MiniHelp.nb.fb2
similarity index 100%
rename from assets/data/help/MiniHelp.no.fb2
rename to assets/data/help/MiniHelp.nb.fb2
diff --git a/assets/hyphenationPatterns/no.pattern b/assets/hyphenationPatterns/nb.pattern
similarity index 100%
rename from assets/hyphenationPatterns/no.pattern
rename to assets/hyphenationPatterns/nb.pattern
diff --git a/assets/languagePatterns/no_iso-8859-1 b/assets/languagePatterns/nb_iso-8859-1
similarity index 100%
rename from assets/languagePatterns/no_iso-8859-1
rename to assets/languagePatterns/nb_iso-8859-1
diff --git a/assets/languagePatterns/no_utf-16 b/assets/languagePatterns/nb_utf-16
similarity index 100%
rename from assets/languagePatterns/no_utf-16
rename to assets/languagePatterns/nb_utf-16
diff --git a/assets/languagePatterns/no_utf-16be b/assets/languagePatterns/nb_utf-16be
similarity index 100%
rename from assets/languagePatterns/no_utf-16be
rename to assets/languagePatterns/nb_utf-16be
diff --git a/assets/languagePatterns/no_utf-8 b/assets/languagePatterns/nb_utf-8
similarity index 100%
rename from assets/languagePatterns/no_utf-8
rename to assets/languagePatterns/nb_utf-8
diff --git a/assets/resources/application/no.xml b/assets/resources/application/nb.xml
similarity index 100%
rename from assets/resources/application/no.xml
rename to assets/resources/application/nb.xml
diff --git a/assets/resources/zlibrary/cs.xml b/assets/resources/zlibrary/cs.xml
index 9aee9a6cd..1f86fdced 100644
--- a/assets/resources/zlibrary/cs.xml
+++ b/assets/resources/zlibrary/cs.xml
@@ -49,7 +49,7 @@
 		<node name="it" value="Italsky"/>
 		<node name="lt" value="Litevsky"/>
 		<node name="nl" value="Dánsky"/>
-		<node name="no" value="Norsky"/>
+		<node name="nb" value="Norsky"/>
 		<node name="pl" value="Polsky"/>
 		<node name="pt" value="Portugalsky"/>
 		<node name="ro" value="Rumunsky"/>
diff --git a/assets/resources/zlibrary/de.xml b/assets/resources/zlibrary/de.xml
index 3c24121e9..e53020436 100644
--- a/assets/resources/zlibrary/de.xml
+++ b/assets/resources/zlibrary/de.xml
@@ -51,7 +51,7 @@
 		<node name="it" value="Italienisch"/>
 		<node name="lt" value="Litauisch"/>
 		<node name="nl" value="Niederländisch"/>
-		<node name="no" value="Norwegisch"/>
+		<node name="nb" value="Norwegisch"/>
 		<node name="pl" value="Polnisch"/>
 		<node name="pt" value="Portugiesisch"/>
 		<node name="ro" value="Romanian" toBeTranslated="true"/>
diff --git a/assets/resources/zlibrary/en.xml b/assets/resources/zlibrary/en.xml
index 9652fa843..dfd3190ca 100644
--- a/assets/resources/zlibrary/en.xml
+++ b/assets/resources/zlibrary/en.xml
@@ -48,7 +48,7 @@
 		<node name="it" value="Italian"/>
 		<node name="lt" value="Lithuanian"/>
 		<node name="nl" value="Dutch"/>
-		<node name="no" value="Norwegian"/>
+		<node name="nb" value="Norwegian"/>
 		<node name="pl" value="Polish"/>
 		<node name="pt" value="Portuguese"/>
 		<node name="ro" value="Romanian"/>
diff --git a/assets/resources/zlibrary/es.xml b/assets/resources/zlibrary/es.xml
index cad45bd6b..57c5e749f 100644
--- a/assets/resources/zlibrary/es.xml
+++ b/assets/resources/zlibrary/es.xml
@@ -52,7 +52,7 @@
 		<node name="it" value="Italiano"/>
 		<node name="lt" value="Lituano"/>
 		<node name="nl" value="Holandés"/>
-		<node name="no" value="Noruego"/>
+		<node name="nb" value="Noruego"/>
 		<node name="pl" value="Polaco"/>
 		<node name="pt" value="Portugués"/>
 		<node name="ro" value="Romanian" toBeTranslated="true"/>
diff --git a/assets/resources/zlibrary/fr.xml b/assets/resources/zlibrary/fr.xml
index 7c8390720..67da9cdae 100644
--- a/assets/resources/zlibrary/fr.xml
+++ b/assets/resources/zlibrary/fr.xml
@@ -53,7 +53,7 @@
 		<node name="it" value="Italien"/>
 		<node name="lt" value="Lithuanien"/>
 		<node name="nl" value="Néerlandais"/>
-		<node name="no" value="Norvégien"/>
+		<node name="nb" value="Norvégien"/>
 		<node name="pl" value="Polonais"/>
 		<node name="pt" value="Portugais"/>
 		<node name="ro" value="Roumain"/>
diff --git a/assets/resources/zlibrary/gl.xml b/assets/resources/zlibrary/gl.xml
index 0e50e77ef..44fb2501b 100644
--- a/assets/resources/zlibrary/gl.xml
+++ b/assets/resources/zlibrary/gl.xml
@@ -48,7 +48,7 @@
 		<node name="it" value="Italiano"/>
 		<node name="lt" value="Lituano"/>
 		<node name="nl" value="Holandés"/>
-		<node name="no" value="Noruegués"/>
+		<node name="nb" value="Noruegués"/>
 		<node name="pl" value="Polaco"/>
 		<node name="pt" value="Portugués"/>
 		<node name="ro" value="Romanian" toBeTranslated="true"/>
diff --git a/assets/resources/zlibrary/hu.xml b/assets/resources/zlibrary/hu.xml
index b2aa86cfd..f53ed5436 100644
--- a/assets/resources/zlibrary/hu.xml
+++ b/assets/resources/zlibrary/hu.xml
@@ -49,7 +49,7 @@
 		<node name="it" value="Olasz"/>
 		<node name="lt" value="Litván"/>
 		<node name="nl" value="Holland"/>
-		<node name="no" value="Norvég"/>
+		<node name="nb" value="Norvég"/>
 		<node name="pl" value="Lengyel"/>
 		<node name="pt" value="Portugál"/>
 		<node name="ro" value="Román"/>
diff --git a/assets/resources/zlibrary/it.xml b/assets/resources/zlibrary/it.xml
index c9665e52c..9c81334e8 100644
--- a/assets/resources/zlibrary/it.xml
+++ b/assets/resources/zlibrary/it.xml
@@ -49,7 +49,7 @@
 		<node name="it" value="Italiano"/>
 		<node name="lt" value="Lituano"/>
 		<node name="nl" value="Olandese"/>
-		<node name="no" value="Norvegese"/>
+		<node name="nb" value="Norvegese"/>
 		<node name="pl" toBeTranslated="true" value="Polish"/>
 		<node name="pt" value="Portoghese"/>
 		<node name="ro" value="Romanian" toBeTranslated="true"/>
diff --git a/assets/resources/zlibrary/no.xml b/assets/resources/zlibrary/nb.xml
similarity index 98%
rename from assets/resources/zlibrary/no.xml
rename to assets/resources/zlibrary/nb.xml
index ab6b0917c..2795535a5 100644
--- a/assets/resources/zlibrary/no.xml
+++ b/assets/resources/zlibrary/nb.xml
@@ -48,7 +48,7 @@
 		<node name="it" value="Italiensk"/>
 		<node name="lt" value="Lituensk"/>
 		<node name="nl" value="Nederlansk"/>
-		<node name="no" value="Norsk"/>
+		<node name="nb" value="Norsk"/>
 		<node name="pl" value="Polsk"/>
 		<node name="pt" value="Portugisisk"/>
 		<node name="ro" value="Romansk"/>
diff --git a/assets/resources/zlibrary/nl.xml b/assets/resources/zlibrary/nl.xml
index 9a8482d16..aceecc134 100644
--- a/assets/resources/zlibrary/nl.xml
+++ b/assets/resources/zlibrary/nl.xml
@@ -49,7 +49,7 @@
 		<node name="it" value="Italiaans"/>
 		<node name="lt" value="Litouws"/>
 		<node name="nl" value="Nederlands"/>
-		<node name="no" value="Noors"/>
+		<node name="nb" value="Noors"/>
 		<node name="pl" value="Pools"/>
 		<node name="pt" value="Portugees"/>
 		<node name="ro" value="Romanian" toBeTranslated="true"/>
diff --git a/assets/resources/zlibrary/pl.xml b/assets/resources/zlibrary/pl.xml
index 763315033..1848d26e7 100644
--- a/assets/resources/zlibrary/pl.xml
+++ b/assets/resources/zlibrary/pl.xml
@@ -48,7 +48,7 @@
 		<node name="it" value="Włoski"/>
 		<node name="lt" value="Litewski"/>
 		<node name="nl" value="Niderlandzki"/>
-		<node name="no" value="Norweski"/>
+		<node name="nb" value="Norweski"/>
 		<node name="pl" value="Polski"/>
 		<node name="pt" value="Portugalski"/>
 		<node name="ro" value="Romanian" toBeTranslated="true"/>
diff --git a/assets/resources/zlibrary/pt.xml b/assets/resources/zlibrary/pt.xml
index ec8744852..4502db33c 100644
--- a/assets/resources/zlibrary/pt.xml
+++ b/assets/resources/zlibrary/pt.xml
@@ -48,7 +48,7 @@
 		<node name="it" value="Italiano"/>
 		<node name="lt" value="Lituano"/>
 		<node name="nl" value="Holandês"/>
-		<node name="no" value="Norueguês"/>
+		<node name="nb" value="Norueguês"/>
 		<node name="pl" value="Polonês"/>
 		<node name="pt" value="Português"/>
 		<node name="ro" value="Romeno"/>
diff --git a/assets/resources/zlibrary/ro.xml b/assets/resources/zlibrary/ro.xml
index fe23d8c71..f66ff959e 100644
--- a/assets/resources/zlibrary/ro.xml
+++ b/assets/resources/zlibrary/ro.xml
@@ -48,7 +48,7 @@
 		<node name="it" value="Italiana"/>
 		<node name="lt" value="Lituaniana"/>
 		<node name="nl" value="Olandeza"/>
-		<node name="no" value="Norvegiana"/>
+		<node name="nb" value="Norvegiana"/>
 		<node name="pl" value="Poloneaza"/>
 		<node name="pt" value="Portugheza"/>
 		<node name="ro" value="Romana"/>
diff --git a/assets/resources/zlibrary/ru.xml b/assets/resources/zlibrary/ru.xml
index 6f358edf6..6049b1dfa 100644
--- a/assets/resources/zlibrary/ru.xml
+++ b/assets/resources/zlibrary/ru.xml
@@ -48,7 +48,7 @@
 		<node name="it" value="итальянский"/>
 		<node name="lt" value="литовский"/>
 		<node name="nl" value="голландский"/>
-		<node name="no" value="норвежский"/>
+		<node name="nb" value="норвежский"/>
 		<node name="pl" value="польский"/>
 		<node name="pt" value="португальский"/>
 		<node name="ro" value="румынский"/>
diff --git a/assets/resources/zlibrary/sr.xml b/assets/resources/zlibrary/sr.xml
index 0c72450a2..369b85c1a 100644
--- a/assets/resources/zlibrary/sr.xml
+++ b/assets/resources/zlibrary/sr.xml
@@ -49,7 +49,7 @@
 		<node name="it" value="италијански"/>
 		<node name="lt" value="литвански"/>
 		<node name="nl" value="холандски"/>
-		<node name="no" value="норвешки"/>
+		<node name="nb" value="норвешки"/>
 		<node name="pl" value="пољски"/>
 		<node name="pt" value="португалски"/>
 		<node name="ro" value="румунски"/>
diff --git a/assets/resources/zlibrary/th.xml b/assets/resources/zlibrary/th.xml
index dd2ef0d80..f0b5b9047 100644
--- a/assets/resources/zlibrary/th.xml
+++ b/assets/resources/zlibrary/th.xml
@@ -49,7 +49,7 @@
 		<node name="it" value="อิตาลี"/>
 		<node name="lt" value="ลิทัวเนีย"/>
 		<node name="nl" value="ดัตช์"/>
-		<node name="no" value="นอร์เวย์"/>
+		<node name="nb" value="นอร์เวย์"/>
 		<node name="pl" value="โปแลนด์"/>
 		<node name="pt" value="โปรตุเกส"/>
 		<node name="ro" value="Romanian" toBeTranslated="true"/>
diff --git a/assets/resources/zlibrary/tr.xml b/assets/resources/zlibrary/tr.xml
index 8e1e63878..0b2ccfbc1 100644
--- a/assets/resources/zlibrary/tr.xml
+++ b/assets/resources/zlibrary/tr.xml
@@ -48,7 +48,7 @@
 		<node name="it" value="Italian" toBeTranslated="true"/>
 		<node name="lt" value="Lithuanian" toBeTranslated="true"/>
 		<node name="nl" value="Dutch" toBeTranslated="true"/>
-		<node name="no" value="Norwegian" toBeTranslated="true"/>
+		<node name="nb" value="Norwegian" toBeTranslated="true"/>
 		<node name="pl" value="Polish" toBeTranslated="true"/>
 		<node name="pt" value="Portuguese" toBeTranslated="true"/>
 		<node name="ro" value="Romanian" toBeTranslated="true"/>
diff --git a/assets/resources/zlibrary/uk.xml b/assets/resources/zlibrary/uk.xml
index 6456fb936..52a7b37b3 100644
--- a/assets/resources/zlibrary/uk.xml
+++ b/assets/resources/zlibrary/uk.xml
@@ -49,7 +49,7 @@
 		<node name="it" value="італійська"/>
 		<node name="lt" value="литовська"/>
 		<node name="nl" value="голландська"/>
-		<node name="no" value="норвезька"/>
+		<node name="nb" value="норвезька"/>
 		<node name="pl" value="польська"/>
 		<node name="pt" value="португальська"/>
 		<node name="ro" value="румунська"/>
diff --git a/assets/resources/zlibrary/vi.xml b/assets/resources/zlibrary/vi.xml
index ce59cf0f9..be026459f 100644
--- a/assets/resources/zlibrary/vi.xml
+++ b/assets/resources/zlibrary/vi.xml
@@ -49,7 +49,7 @@
 		<node name="it" value="Tiếng Ý"/>
 		<node name="lt" value="Tiếng Lát-vi"/>
 		<node name="nl" value="Tiếng Hà Lan"/>
-		<node name="no" value="Tiếng Nauy"/>
+		<node name="nb" value="Tiếng Nauy"/>
 		<node name="pl" toBeTranslated="true" value="Polish"/>
 		<node name="pt" value="Tiếng Bồ Đào Nha"/>
 		<node name="ro" value="Romanian" toBeTranslated="true"/>
diff --git a/assets/resources/zlibrary/zh.xml b/assets/resources/zlibrary/zh.xml
index 0d206925b..f4cb27e86 100644
--- a/assets/resources/zlibrary/zh.xml
+++ b/assets/resources/zlibrary/zh.xml
@@ -49,7 +49,7 @@
 		<node name="it" value="意大利语"/>
 		<node name="lt" value="立陶宛语"/>
 		<node name="nl" value="荷兰语"/>
-		<node name="no" value="挪威语"/>
+		<node name="nb" value="挪威语"/>
 		<node name="pl" value="波兰语"/>
 		<node name="pt" value="葡萄牙语"/>
 		<node name="ro" value="罗马尼亚语"/>
diff --git a/assets/resources/zlibrary/zh_TW.xml b/assets/resources/zlibrary/zh_TW.xml
index c87d30407..53948f71b 100644
--- a/assets/resources/zlibrary/zh_TW.xml
+++ b/assets/resources/zlibrary/zh_TW.xml
@@ -49,7 +49,7 @@
 		<node name="it" value="Italian" toBeTranslated="true"/>
 		<node name="lt" value="Lithuanian" toBeTranslated="true"/>
 		<node name="nl" value="Dutch" toBeTranslated="true"/>
-		<node name="no" value="Norwegian" toBeTranslated="true"/>
+		<node name="nb" value="Norwegian" toBeTranslated="true"/>
 		<node name="pl" value="Polish" toBeTranslated="true"/>
 		<node name="pt" value="Portuguese" toBeTranslated="true"/>
 		<node name="ro" value="Romanian" toBeTranslated="true"/>
diff --git a/src/org/geometerplus/zlibrary/core/language/ZLLanguageUtil.java b/src/org/geometerplus/zlibrary/core/language/ZLLanguageUtil.java
index 068d2b0fe..b49002403 100644
--- a/src/org/geometerplus/zlibrary/core/language/ZLLanguageUtil.java
+++ b/src/org/geometerplus/zlibrary/core/language/ZLLanguageUtil.java
@@ -116,7 +116,7 @@ public abstract class ZLLanguageUtil {
 			case 0x11: return "ja";  // Japanese
 			case 0x12: return "ko";  // Korean
 			case 0x13: return "nl";  // Dutch
-			case 0x14: return "no";  // Norwegian
+			case 0x14: return "nb";  // Norwegian
 			case 0x15: return "pl";  // Polish
 			case 0x16: return "pt";  // Portuguese
 			case 0x17: return "rm";  // Romansh