diff --git a/shell/browser/ui/cocoa/atom_ns_window_delegate.mm b/shell/browser/ui/cocoa/atom_ns_window_delegate.mm
index 714db45a0ae62..1314799f45013 100644
--- a/shell/browser/ui/cocoa/atom_ns_window_delegate.mm
+++ b/shell/browser/ui/cocoa/atom_ns_window_delegate.mm
@@ -146,7 +146,8 @@ - (void)windowWillMove:(NSNotification*)notification {
 
   shell_->NotifyWindowWillMove(new_bounds, &prevent_default);
   if (prevent_default) {
-    // prevent sefault somehow
+    // doesn't work
+    [window setMovable:NO];
   }
 }