diff --git a/atom/browser/ui/cocoa/atom_ns_window_delegate.mm b/atom/browser/ui/cocoa/atom_ns_window_delegate.mm
index b96316a3ee753..6a039ad5ae919 100644
--- a/atom/browser/ui/cocoa/atom_ns_window_delegate.mm
+++ b/atom/browser/ui/cocoa/atom_ns_window_delegate.mm
@@ -232,6 +232,7 @@ - (void)windowWillExitFullScreen:(NSNotification*)notification {
     // Turn off the style for toolbar.
     if (shell_->title_bar_style() == atom::NativeWindowMac::HIDDEN_INSET) {
       shell_->SetStyleMask(false, NSWindowStyleMaskFullSizeContentView);
+      [window setTitlebarAppearsTransparent:YES];
     }
   }
 }