diff --git a/src/gui/platform/darwin/qapplekeymapper.mm b/src/gui/platform/darwin/qapplekeymapper.mm
index 738fab3863..29fdae8d7f 100644
--- a/src/gui/platform/darwin/qapplekeymapper.mm
+++ b/src/gui/platform/darwin/qapplekeymapper.mm
@@ -579,6 +579,8 @@ QList<int> QAppleKeyMapper::possibleKeys(const QKeyEvent *event) const
         auto keyAfterApplyingModifiers = keyMap[i];
         if (keyAfterApplyingModifiers == unmodifiedKey)
             continue;
+        if (!keyAfterApplyingModifiers)
+             continue;
 
         // Include key if event modifiers includes, or matches
         // perfectly, the current candidate modifiers.