diff --git a/src/org/geometerplus/fbreader/library/FileTree.java b/src/org/geometerplus/fbreader/library/FileTree.java
index 1a62cac3a..5ce96b68d 100644
--- a/src/org/geometerplus/fbreader/library/FileTree.java
+++ b/src/org/geometerplus/fbreader/library/FileTree.java
@@ -98,8 +98,9 @@ public class FileTree extends LibraryTree {
 
 	@Override
 	public Book getBook() {
-		if (myBook == NULL_BOOK)
+		if (myBook == NULL_BOOK) {
 			myBook = Collection.getBookByFile(myFile);
+		}
 		return (Book)myBook;
 	}
 
diff --git a/third-party/AmbilWarna/project.properties b/third-party/AmbilWarna/project.properties
index 6fdb0df8a..ce256fda4 100644
--- a/third-party/AmbilWarna/project.properties
+++ b/third-party/AmbilWarna/project.properties
@@ -11,4 +11,4 @@ android.library=true
 # Indicates whether an apk should be generated for each density.
 split.density=false
 # Project target.
-target=android-14
+target=android-11
diff --git a/third-party/drag-sort-listview/.project b/third-party/drag-sort-listview/.project
deleted file mode 100644
index 9513fc15b..000000000
--- a/third-party/drag-sort-listview/.project
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>drag-sort-listview</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-	</buildSpec>
-	<natures>
-	</natures>
-</projectDescription>
diff --git a/third-party/drag-sort-listview/library/project.properties b/third-party/drag-sort-listview/library/project.properties
index cd0ca122a..e80f2971a 100644
--- a/third-party/drag-sort-listview/library/project.properties
+++ b/third-party/drag-sort-listview/library/project.properties
@@ -12,4 +12,4 @@
 
 android.library=true
 # Project target.
-target=android-8
+target=android-5