diff --git a/src/plugins/platforms/qnx/qqnxabstractvirtualkeyboard.cpp b/src/plugins/platforms/qnx/qqnxabstractvirtualkeyboard.cpp
index 7e639a7ea61..e6dc2078b9d 100644
--- a/src/plugins/platforms/qnx/qqnxabstractvirtualkeyboard.cpp
+++ b/src/plugins/platforms/qnx/qqnxabstractvirtualkeyboard.cpp
@@ -149,6 +149,8 @@ QQnxAbstractVirtualKeyboard::EnterKeyType
     case Qt::EnterKeyPrevious: // unsupported
         return DefaultReturn;
     }
+    Q_UNREACHABLE();
+    return DefaultReturn;
 }
 
 QT_END_NAMESPACE