diff --git a/src/org/geometerplus/fbreader/library/FileFirstLevelTree.java b/src/org/geometerplus/fbreader/library/FileFirstLevelTree.java
index 7290b442f..608c899cd 100644
--- a/src/org/geometerplus/fbreader/library/FileFirstLevelTree.java
+++ b/src/org/geometerplus/fbreader/library/FileFirstLevelTree.java
@@ -23,10 +23,14 @@ import org.geometerplus.zlibrary.core.resources.ZLResource;
 import org.geometerplus.zlibrary.core.filesystem.ZLFile;
 
 import org.geometerplus.fbreader.Paths;
+import org.geometerplus.fbreader.book.IBookCollection;
 
 public class FileFirstLevelTree extends FirstLevelTree {
-	FileFirstLevelTree(RootTree root, String id) {
+	private final IBookCollection myCollection;
+
+	FileFirstLevelTree(IBookCollection collection, RootTree root, String id) {
 		super(root, id);
+		myCollection = collection;
 		addChild(Paths.BooksDirectoryOption().getValue(), "fileTreeLibrary");
 		addChild("/", "fileTreeRoot");
 		addChild(Paths.cardDirectory(), "fileTreeCard");
@@ -38,6 +42,7 @@ public class FileFirstLevelTree extends FirstLevelTree {
 			final ZLResource resource = Library.resource().getResource(resourceKey);
 			new FileTree(
 				this,
+				myCollection,
 				file,
 				resource.getValue(),
 				resource.getResource("summary").getValue()
diff --git a/src/org/geometerplus/fbreader/library/FileTree.java b/src/org/geometerplus/fbreader/library/FileTree.java
index f7c070347..44d3fdd0b 100644
--- a/src/org/geometerplus/fbreader/library/FileTree.java
+++ b/src/org/geometerplus/fbreader/library/FileTree.java
@@ -24,17 +24,20 @@ import java.util.*;
 import org.geometerplus.zlibrary.core.filesystem.ZLFile;
 import org.geometerplus.zlibrary.core.image.ZLImage;
 
+import org.geometerplus.fbreader.book.*;
 import org.geometerplus.fbreader.formats.PluginCollection;
 import org.geometerplus.fbreader.tree.FBTree;
 
 public class FileTree extends LibraryTree {
+	private final IBookCollection myCollection;
 	private final ZLFile myFile;
 	private final String myName;
 	private final String mySummary;
 	private final boolean myIsSelectable;
 
-	FileTree(LibraryTree parent, ZLFile file, String name, String summary) {
+	FileTree(LibraryTree parent, IBookCollection collection, ZLFile file, String name, String summary) {
 		super(parent);
+		myCollection = collection;
 		myFile = file;
 		myName = name;
 		mySummary = summary;
@@ -43,6 +46,7 @@ public class FileTree extends LibraryTree {
 
 	public FileTree(FileTree parent, ZLFile file) {
 		super(parent);
+		myCollection = parent.myCollection;
 		myFile = file;
 		myName = null;
 		mySummary = null;
diff --git a/src/org/geometerplus/fbreader/library/Library.java b/src/org/geometerplus/fbreader/library/Library.java
index df9f84511..4abb6a6ae 100644
--- a/src/org/geometerplus/fbreader/library/Library.java
+++ b/src/org/geometerplus/fbreader/library/Library.java
@@ -87,6 +87,7 @@ public final class Library {
 		}
 	}
 
+	public final IBookCollection Collection;
 	private final BooksDatabase myDatabase;
 
 	private final Map<ZLFile,Book> myBooks =
@@ -109,6 +110,7 @@ public final class Library {
 	}
 
 	public Library(BooksDatabase db) {
+		Collection = null;
 		myDatabase = db;
 
 		new FavoritesTree(myRootTree, ROOT_FAVORITES);
@@ -116,7 +118,7 @@ public final class Library {
 		new FirstLevelTree(myRootTree, ROOT_BY_AUTHOR);
 		new FirstLevelTree(myRootTree, ROOT_BY_TITLE);
 		new FirstLevelTree(myRootTree, ROOT_BY_TAG);
-		new FileFirstLevelTree(myRootTree, ROOT_FILE_TREE);
+		new FileFirstLevelTree(Collection, myRootTree, ROOT_FILE_TREE);
 	}
 
 	public LibraryTree getRootTree() {