diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp
--- a/src/qt/guiutil.cpp
+++ b/src/qt/guiutil.cpp
@@ -357,7 +357,7 @@
     if (!atW) {
         return false;
     }
-    return atW->topLevelWidget() == w;
+    return atW->window() == w;
 }
 
 bool isObscured(QWidget *w) {