diff --git a/src/tests/add-ons/kernel/file_systems/befs/btree/Inode.h b/src/tests/add-ons/kernel/file_systems/befs/btree/Inode.h
index 0eb2a25ff2..cebfa194bd 100644
--- a/src/tests/add-ons/kernel/file_systems/befs/btree/Inode.h
+++ b/src/tests/add-ons/kernel/file_systems/befs/btree/Inode.h
@@ -39,6 +39,7 @@ class Inode {
 		bfs_inode *Node() { return (bfs_inode *)1; }
 
 		off_t Size() const { return fSize; }
+		bool IsContainer() const { return true; }
 		bool IsDirectory() const { return true; }
 
 	private: