diff --git a/src/calibre/gui2/metadata/basic_widgets.py b/src/calibre/gui2/metadata/basic_widgets.py
index c5449d070f..2d6c79d0e3 100644
--- a/src/calibre/gui2/metadata/basic_widgets.py
+++ b/src/calibre/gui2/metadata/basic_widgets.py
@@ -173,6 +173,8 @@ class TitleSortEdit(TitleEdit):
 
     def auto_generate(self, *args):
         self.current_val = title_sort(self.title_edit.current_val)
+
+    def break_cycles(self):
         try:
             self.title_edit.textChanged.disconnect()
         except: