diff --git a/common/drawframe.cpp b/common/drawframe.cpp
index b00ca4f3cb..619c5e3528 100644
--- a/common/drawframe.cpp
+++ b/common/drawframe.cpp
@@ -568,7 +568,7 @@ void EDA_DRAW_FRAME::SaveSettings()
     EDA_BASE_FRAME::SaveSettings();
     cfg->Write( m_FrameName + CursorShapeEntryKeyword, m_cursorShape );
     cfg->Write( m_FrameName + ShowGridEntryKeyword, IsGridVisible() );
-    cfg->Write( m_FrameName + GridColorEntryKeyword, GetGridColor() );
+    cfg->Write( m_FrameName + GridColorEntryKeyword, ( long ) GetGridColor() );
     cfg->Write( m_FrameName + LastGridSizeId, ( long ) m_LastGridSizeId );
 }