diff --git a/src/widgets/kernel/qlayout.cpp b/src/widgets/kernel/qlayout.cpp
index 0402f9939a..a65c34adf5 100644
--- a/src/widgets/kernel/qlayout.cpp
+++ b/src/widgets/kernel/qlayout.cpp
@@ -59,12 +59,10 @@ static int menuBarHeightForWidth(QWidget *menubar, int w)
 {
     if (menubar && !menubar->isHidden() && !menubar->isWindow()) {
         int result = menubar->heightForWidth(qMax(w, menubar->minimumWidth()));
-        if (result != -1)
-            return result;
-        result = menubar->sizeHint()
-            .expandedTo(menubar->minimumSize())
-            .expandedTo(menubar->minimumSizeHint())
-            .boundedTo(menubar->maximumSize()).height();
+        if (result == -1)
+            result = menubar->sizeHint().height();
+        const int min = qSmartMinSize(menubar).height();
+        result = qBound(min, result, menubar->maximumSize().height());
         if (result != -1)
             return result;
     }