1 files changed, 2 insertions, 2 deletions
diff --git a/src/particles/qquickmaskextruder_p.h b/src/particles/qquickmaskextruder_p.h
index 0fc0331db8..bbb61b0d28 100644
--- a/src/particles/qquickmaskextruder_p.h
+++ b/src/particles/qquickmaskextruder_p.h
@@ -73,10 +73,10 @@ public:
 
 Q_SIGNALS:
 
-    void sourceChanged(QUrl arg);
+    void sourceChanged(const QUrl &arg);
 
 public Q_SLOTS:
-    void setSource(QUrl arg);
+    void setSource(const QUrl &arg);
 
 private Q_SLOTS:
     void startMaskLoading();