diff --git a/reactos/include/psdk/wingdi.h b/reactos/include/psdk/wingdi.h
index 5fd7ae8719e..3b0a463675a 100644
--- a/reactos/include/psdk/wingdi.h
+++ b/reactos/include/psdk/wingdi.h
@@ -1223,6 +1223,8 @@ extern "C" {
 #define DISPLAY_DEVICE_MIRRORING_DRIVER    0x00000008
 #define DISPLAY_DEVICE_VGA_COMPATIBLE      0x00000010
 #define DISPLAY_DEVICE_REMOVABLE           0x00000020
+#define DISPLAY_DEVICE_DISCONNECT          0x02000000
+#define DISPLAY_DEVICE_REMOTE              0x04000000
 #define DISPLAY_DEVICE_MODESPRUNED         0x08000000
 #ifndef RC_INVOKED
 typedef struct _ABC {