diff --git a/gdk/quartz/GdkQuartzNSWindow.c b/gdk/quartz/GdkQuartzNSWindow.c
index 8d1ba4af2b..6de26b001b 100644
--- a/gdk/quartz/GdkQuartzNSWindow.c
+++ b/gdk/quartz/GdkQuartzNSWindow.c
@@ -788,7 +788,8 @@ update_context_from_dragging_info (id <NSDraggingInfo> sender)
           wh = gdk_window_get_height (win);
 
           if (gx > wx && gy > wy && gx <= wx + ww && gy <= wy + wh)
-            event->dnd.context->dest_window = win;
+            event->dnd.context->dest_window = g_object_ref (win);
+            break;
         }
     }