diff --git a/include/shellapi.h b/include/shellapi.h
index 46083e7dc76..5b77e5389ea 100644
--- a/include/shellapi.h
+++ b/include/shellapi.h
@@ -265,7 +265,8 @@ HINSTANCE	WINAPI ShellExecuteW(HWND,LPCWSTR,LPCWSTR,LPCWSTR,LPCWSTR,INT);
 #define SEE_MASK_HOTKEY           0x00000020
 #define SEE_MASK_NOCLOSEPROCESS   0x00000040
 #define SEE_MASK_CONNECTNETDRV    0x00000080
-#define SEE_MASK_FLAG_DDEWAIT     0x00000100
+#define SEE_MASK_NOASYNC          0x00000100
+#define SEE_MASK_FLAG_DDEWAIT     SEE_MASK_NOASYNC
 #define SEE_MASK_DOENVSUBST       0x00000200
 #define SEE_MASK_FLAG_NO_UI       0x00000400
 #define SEE_MASK_UNICODE          0x00004000