diff --git a/src/plugins/platforms/cocoa/qcocoakeymapper.mm b/src/plugins/platforms/cocoa/qcocoakeymapper.mm
index c326c1ca84..86143f275b 100644
--- a/src/plugins/platforms/cocoa/qcocoakeymapper.mm
+++ b/src/plugins/platforms/cocoa/qcocoakeymapper.mm
@@ -395,7 +395,7 @@ KeyboardLayoutItem *QCocoaKeyMapper::keyMapForKey(unsigned short macVirtualKey,
         if (err == noErr && actualStringLength)
             unicodeKey = QChar(unicodeString[0]);
 
-        int qtkey = toKeyCode(unicodeKey, macVirtualKey, modifierKeyState);
+        int qtkey = toKeyCode(unicodeKey, macVirtualKey, qtModifiers);
         if (qtkey == Qt::Key_unknown)
             qtkey = unicodeKey.unicode();