1 files changed, 5 insertions, 1 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoakeymapper.mm b/src/plugins/platforms/cocoa/qcocoakeymapper.mm
index 3b699e3237..dca7b576f6 100644
--- a/src/plugins/platforms/cocoa/qcocoakeymapper.mm
+++ b/src/plugins/platforms/cocoa/qcocoakeymapper.mm
@@ -513,7 +513,11 @@ QList<int> QCocoaKeyMapper::possibleKeys(const QKeyEvent *event) const
 {
     QList<int> ret;
 
-    auto keyMap = keyMapForKey(event->nativeVirtualKey(), QChar(event->key()));
+    const auto nativeVirtualKey = event->nativeVirtualKey();
+    if (!nativeVirtualKey)
+        return ret;
+
+    auto keyMap = keyMapForKey(nativeVirtualKey, QChar(event->key()));
 
     auto unmodifiedKey = keyMap[Qt::NoModifier];
     Q_ASSERT(unmodifiedKey != Qt::Key_unknown);