diff --git a/utils.py b/utils.py
index 1642356..8f51c1a 100644
--- a/utils.py
+++ b/utils.py
@@ -59,7 +59,7 @@ class Utils:
         for file_path in self.app.open_files:
             file = self.app.open_files[file_path]
 
-            if file.not_saved:
+            if file.bit_editor.not_saved:
                 changes = True
                 break