diff --git a/reactos/include/psdk/wingdi.h b/reactos/include/psdk/wingdi.h
index 8113b5448db..69a5a6494c6 100644
--- a/reactos/include/psdk/wingdi.h
+++ b/reactos/include/psdk/wingdi.h
@@ -813,6 +813,12 @@ extern "C" {
 #define SYSTEM_FONT 13
 #define SYSTEM_FIXED_FONT 16
 #define DEFAULT_PALETTE 15
+
+/* NOTE DC_BITMAP or the value are not documented in MSDN or ms header 
+ * it return a 1x1 1Bpp Bitmap in all case from GetStockObject
+ */
+#define DC_BITMAP 21
+
 #if (_WIN32_WINNT >= 0x0500)
 #define DC_BRUSH	18
 #define DC_PEN	19