diff --git a/reactos/include/psdk/winternl.h b/reactos/include/psdk/winternl.h
index b6799f2915c..61abccd699f 100644
--- a/reactos/include/psdk/winternl.h
+++ b/reactos/include/psdk/winternl.h
@@ -291,7 +291,7 @@ typedef struct _TEB
     ULONG           GdiClientTID;               /* 6f8 */
     PVOID           GdiThreadLocaleInfo;        /* 6fc */
     PVOID           UserReserved[5];            /* 700 */
-    PVOID           glDispachTable[280];        /* 714 */
+    PVOID           glDispatchTable[280];        /* 714 */
     ULONG           glReserved1[26];            /* b74 */
     PVOID           glReserved2;                /* bdc */
     PVOID           glSectionInfo;              /* be0 */
diff --git a/reactos/include/psdk/winuser.h b/reactos/include/psdk/winuser.h
index 68cc43faee1..7976f5b86dc 100644
--- a/reactos/include/psdk/winuser.h
+++ b/reactos/include/psdk/winuser.h
@@ -1642,6 +1642,7 @@ extern "C" {
 #define WM_MEASUREITEM 44
 #if (WINVER >= 0x0500)
 #define WM_MENURBUTTONUP 290
+#define WM_UNINITMENUPOPUP 293
 #endif
 #define WM_MENUCHAR 288
 #define WM_MENUCOMMAND 294