diff --git a/src/plugins/qmljseditor/qmltaskmanager.cpp b/src/plugins/qmljseditor/qmltaskmanager.cpp
index 0b54640fdce..8e21c52d0ae 100644
--- a/src/plugins/qmljseditor/qmltaskmanager.cpp
+++ b/src/plugins/qmljseditor/qmltaskmanager.cpp
@@ -165,7 +165,7 @@ void QmlTaskManager::updateMessagesNow(bool updateSemantic)
     m_messageCollector.setFuture(future);
 }
 
-void QmlTaskManager::documentsRemoved(const QStringList path)
+void QmlTaskManager::documentsRemoved(const QStringList &path)
 {
     foreach (const QString &item, path)
         removeTasksForFile(item);
diff --git a/src/plugins/qmljseditor/qmltaskmanager.h b/src/plugins/qmljseditor/qmltaskmanager.h
index fe517c63cc2..9b00f8852b1 100644
--- a/src/plugins/qmljseditor/qmltaskmanager.h
+++ b/src/plugins/qmljseditor/qmltaskmanager.h
@@ -55,7 +55,7 @@ public:
 public slots:
     void updateMessages();
     void updateSemanticMessagesNow();
-    void documentsRemoved(const QStringList path);
+    void documentsRemoved(const QStringList &path);
 
 private slots:
     void displayResults(int begin, int end);