diff --git a/fbreader/app/src/main/java/org/geometerplus/zlibrary/core/filetypes/FileTypeEpub.java b/fbreader/app/src/main/java/org/geometerplus/zlibrary/core/filetypes/FileTypeEpub.java
index d33045f81..699e1c265 100644
--- a/fbreader/app/src/main/java/org/geometerplus/zlibrary/core/filetypes/FileTypeEpub.java
+++ b/fbreader/app/src/main/java/org/geometerplus/zlibrary/core/filetypes/FileTypeEpub.java
@@ -35,7 +35,7 @@ class FileTypeEpub extends FileType {
 		return
 			"epub".equalsIgnoreCase(extension) ||
 			"oebzip".equalsIgnoreCase(extension) ||
-			"opf".equalsIgnoreCase(extension);
+			("opf".equalsIgnoreCase(extension) && file != file.getPhysicalFile());
 	}
 
 	@Override