git.diff

diff --git a/app/services/slug_change_service.rb b/app/services/slug_change_service.rb
index 590f3915de4..683a8dc3a2e 100644
--- a/app/services/slug_change_service.rb
+++ b/app/services/slug_change_service.rb
@@ -30,7 +30,7 @@ def modify_page_slug!
   end
 
   def modify_stack_slug!
-    modify_legacy_slug!(@entry.slug)
+    result = modify_legacy_slug!(@entry.slug)
 
     # If stack slug was successfully changed to the new valid slug,
     # cycle through cards within stack and create legacy slug for it
@@ -45,6 +45,8 @@ def modify_stack_slug!
         modify_entry_slug!(card, legacy_card_slug, new_card_slug)
       end
     end
+
+    result
   end
 
   def modify_legacy_slug!(old_slug_string)