diff --git a/src/guiengine/widgets/dynamic_ribbon_widget.cpp b/src/guiengine/widgets/dynamic_ribbon_widget.cpp
index 3fcae72b7..fcaf3d378 100644
--- a/src/guiengine/widgets/dynamic_ribbon_widget.cpp
+++ b/src/guiengine/widgets/dynamic_ribbon_widget.cpp
@@ -1045,7 +1045,9 @@ bool DynamicRibbonWidget::findItemInRows(const char* name, int* p_row, int* p_id
 
 // -----------------------------------------------------------------------------
 
-bool DynamicRibbonWidget::setSelection(int item_id, const int playerID, const bool focusIt, bool evenIfDeactivated)
+bool DynamicRibbonWidget::setSelection(int item_id, const int playerID, 
+                                       const bool focusIt, 
+                                       bool evenIfDeactivated)
 {
     if (m_deactivated && !evenIfDeactivated) return false;
     
@@ -1100,8 +1102,10 @@ bool DynamicRibbonWidget::setSelection(int item_id, const int playerID, const bo
     propagateSelection();
     return true;
 }
-// -----------------------------------------------------------------------------
-bool DynamicRibbonWidget::setSelection(const std::string item_codename, const int playerID, const bool focusIt, bool evenIfDeactivated)
+// ----------------------------------------------------------------------------
+bool DynamicRibbonWidget::setSelection(const std::string &item_codename, 
+                                       const int playerID, const bool focusIt,
+                                       bool evenIfDeactivated)
 {
     if (m_deactivated && !evenIfDeactivated) return false;
     
diff --git a/src/guiengine/widgets/dynamic_ribbon_widget.hpp b/src/guiengine/widgets/dynamic_ribbon_widget.hpp
index 5a217b86e..887f2514a 100644
--- a/src/guiengine/widgets/dynamic_ribbon_widget.hpp
+++ b/src/guiengine/widgets/dynamic_ribbon_widget.hpp
@@ -39,8 +39,10 @@ namespace GUIEngine
     {
     public:
         virtual ~DynamicRibbonHoverListener() {}
-        virtual void onSelectionChanged(DynamicRibbonWidget* theWidget, const std::string& selectionID, 
-                                        const irr::core::stringw& selectionText, const int playerID) = 0;
+        virtual void onSelectionChanged(DynamicRibbonWidget* theWidget, 
+                                       const std::string& selectionID,
+                                       const irr::core::stringw& selectionText,
+                                       const int playerID) = 0;
     };
     
     /** The description of an item added to a DynamicRibbonWidget */
@@ -259,7 +261,9 @@ namespace GUIEngine
           *
           * \return Whether setting the selection was successful (whether the item exists)
           */
-        bool setSelection(const std::string item_codename, const int playerID, const bool focusIt, bool evenIfDeactivated=false);
+        bool setSelection(const std::string &item_codename, 
+                          const int playerID, const bool focusIt, 
+                          bool evenIfDeactivated=false);
         
         /** \brief Callback from parent class Widget. */
         virtual void elementRemoved();