diff --git a/gui/threadhandler.cpp b/gui/threadhandler.cpp
index 6d8a6b2df..acb7ea90a 100644
--- a/gui/threadhandler.cpp
+++ b/gui/threadhandler.cpp
@@ -48,7 +48,7 @@ void ThreadHandler::SetFiles(const QStringList &files)
     mLastFiles = files;
 }
 
-void ThreadHandler::Check(Settings settings, bool recheck)
+void ThreadHandler::Check(const Settings &settings, bool recheck)
 {
     if (recheck && mRunningThreadCount == 0)
     {
diff --git a/gui/threadhandler.h b/gui/threadhandler.h
index b139bca38..e3a45728a 100644
--- a/gui/threadhandler.h
+++ b/gui/threadhandler.h
@@ -88,7 +88,7 @@ public:
     * @param settings Settings for checking
     * @param recheck Should we reuse the files we checked earleir
     */
-    void Check(Settings settings, bool recheck);
+    void Check(const Settings &settings, bool recheck);
 
     /**
     * @brief Is checking running?