diff --git a/core/link.cpp b/core/link.cpp
index 80a160f83..a41e35f3f 100644
--- a/core/link.cpp
+++ b/core/link.cpp
@@ -25,7 +25,7 @@ QString Link::linkTip() const
 }
 
 // LinkGoto
-LinkGoto::LinkGoto( QString fileName, const DocumentViewport & viewport )
+LinkGoto::LinkGoto( const QString& fileName, const DocumentViewport & viewport )
     : m_extFileName( fileName ), m_vp( viewport )
 {
 }
diff --git a/core/link.h b/core/link.h
index a1966cf23..3694e59a1 100644
--- a/core/link.h
+++ b/core/link.h
@@ -76,7 +76,7 @@ class OKULAR_EXPORT LinkGoto : public Link
          * @p fileName The name of an external file that shall be loaded.
          * @p viewport The target viewport information of the current document.
          */
-        LinkGoto( QString fileName, const DocumentViewport & viewport );
+        LinkGoto( const QString& fileName, const DocumentViewport & viewport );
 
         /**
          * Returns the link type.