1 files changed, 2 insertions, 3 deletions
diff --git a/src/qml/jsruntime/qv4arrayobject.cpp b/src/qml/jsruntime/qv4arrayobject.cpp
index 6c677e856f..d3c16bc2c0 100644
--- a/src/qml/jsruntime/qv4arrayobject.cpp
+++ b/src/qml/jsruntime/qv4arrayobject.cpp
@@ -143,9 +143,8 @@ ReturnedValue ArrayPrototype::method_concat(CallContext *ctx)
     ScopedObject thisObject(scope, ctx->d()->callData->thisObject.toObject(scope.engine));
     if (!thisObject)
         return Encode::undefined();
-    ScopedArrayObject instance(scope, thisObject);
-    if (instance) {
-        result->copyArrayData(instance);
+    if (thisObject->isArrayObject()) {
+        result->copyArrayData(thisObject);
     } else {
         result->arraySet(0, thisObject);
     }