diff --git a/src/libs/qmljs/qmljscheck.cpp b/src/libs/qmljs/qmljscheck.cpp
index 90aa25b11aae4b0db4551b8826289fe42c18cf46..c4eeefa5836187bfee073cb0d715bc734747129e 100644
--- a/src/libs/qmljs/qmljscheck.cpp
+++ b/src/libs/qmljs/qmljscheck.cpp
@@ -117,6 +117,7 @@ public:
         validBuiltinPropertyNames.insert(QLatin1String("url"));
         validBuiltinPropertyNames.insert(QLatin1String("variant"));
         validBuiltinPropertyNames.insert(QLatin1String("vector3d"));
+        validBuiltinPropertyNames.insert(QLatin1String("alias"));
     }
 
     QSet<QString> validBuiltinPropertyNames;