diff --git a/pcbnew/pcb_edit_frame.h b/pcbnew/pcb_edit_frame.h
index 96feb5440e..0018b91e09 100644
--- a/pcbnew/pcb_edit_frame.h
+++ b/pcbnew/pcb_edit_frame.h
@@ -93,6 +93,7 @@ protected:
     PCB_LAYER_WIDGET* m_Layers;
 
     PARAM_CFG_ARRAY   m_configParams;         ///< List of Pcbnew configuration settings.
+    PARAM_CFG_ARRAY   m_projectFileParams;
 
     wxString          m_lastNetListRead;        ///< Last net list read with relative path.
 
@@ -380,7 +381,7 @@ public:
      * @return PARAM_CFG_ARRAY - it is only good until SetBoard() is called, so
      *   don't keep it around past that event.
      */
-    PARAM_CFG_ARRAY GetProjectFileParameters();
+    PARAM_CFG_ARRAY& GetProjectFileParameters();
 
     /**
      * Function SaveProjectSettings
diff --git a/pcbnew/pcbnew_config.cpp b/pcbnew/pcbnew_config.cpp
index ff1cb57420..8b577538ef 100644
--- a/pcbnew/pcbnew_config.cpp
+++ b/pcbnew/pcbnew_config.cpp
@@ -125,21 +125,21 @@ void PCB_EDIT_FRAME::SaveProjectSettings( bool aAskForSave )
 }
 
 
-PARAM_CFG_ARRAY PCB_EDIT_FRAME::GetProjectFileParameters()
+PARAM_CFG_ARRAY& PCB_EDIT_FRAME::GetProjectFileParameters()
 {
-    PARAM_CFG_ARRAY pca;
+    m_projectFileParams.clear();
 
     // This one cannot be cached because some settings are going to/from the BOARD,
     // so pointers into that cannot be saved for long.
 
-    pca.push_back( new PARAM_CFG_FILENAME( wxT( "PageLayoutDescrFile" ),
+    m_projectFileParams.push_back( new PARAM_CFG_FILENAME( wxT( "PageLayoutDescrFile" ),
                                           &BASE_SCREEN::m_PageLayoutDescrFileName ) );
 
-    pca.push_back( new PARAM_CFG_FILENAME( wxT( "LastNetListRead" ), &m_lastNetListRead ) );
+    m_projectFileParams.push_back( new PARAM_CFG_FILENAME( wxT( "LastNetListRead" ), &m_lastNetListRead ) );
 
-    GetBoard()->GetDesignSettings().AppendConfigs( GetBoard(), &pca );
+    GetBoard()->GetDesignSettings().AppendConfigs( GetBoard(), &m_projectFileParams);
 
-    return pca;
+    return m_projectFileParams;
 }