diff --git a/include/d3d9types.h b/include/d3d9types.h
index 88553831c72..cdd3ada0fe0 100644
--- a/include/d3d9types.h
+++ b/include/d3d9types.h
@@ -1064,6 +1064,8 @@ typedef enum _D3DSWAPEFFECT {
     D3DSWAPEFFECT_DISCARD         = 1,
     D3DSWAPEFFECT_FLIP            = 2,
     D3DSWAPEFFECT_COPY            = 3,
+    D3DSWAPEFFECT_OVERLAY         = 4,
+    D3DSWAPEFFECT_FLIPEX          = 5,
     D3DSWAPEFFECT_FORCE_DWORD     = 0xFFFFFFFF
 } D3DSWAPEFFECT;