diff --git a/gdk/macos/GdkMacosWindow.c b/gdk/macos/GdkMacosWindow.c
index 3ed60cb049..836ded78e8 100644
--- a/gdk/macos/GdkMacosWindow.c
+++ b/gdk/macos/GdkMacosWindow.c
@@ -253,7 +253,8 @@ typedef NSString *CALayerContentsGravity;
 
 -(BOOL)canBecomeKeyWindow
 {
-  return GDK_IS_TOPLEVEL (gdk_surface) || GDK_IS_POPUP (gdk_surface);
+  return GDK_IS_TOPLEVEL (gdk_surface) ||
+         (GDK_IS_POPUP (gdk_surface) && GDK_SURFACE (gdk_surface)->input_region != NULL);
 }
 
 -(void)showAndMakeKey:(BOOL)makeKey