diff --git a/graph/win32/grwin32.c b/graph/win32/grwin32.c
index 85a6ebe..9dfcf1e 100644
--- a/graph/win32/grwin32.c
+++ b/graph/win32/grwin32.c
@@ -264,7 +264,7 @@ gr_win32_surface_set_icon( grWin32Surface*  surface,
   BITMAPV4HEADER  hdr = { sizeof( BITMAPV4HEADER ),
                           0, 0, 1, 32, BI_BITFIELDS, 0, 0, 0, 0, 0,
                           0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000,
-                          LCS_sRGB };
+                          LCS_CALIBRATED_RGB };
 
 
   if ( !icon )