diff --git a/reactos/lib/user32/windows/menu.c b/reactos/lib/user32/windows/menu.c
index 14699b25c42..605f356154d 100644
--- a/reactos/lib/user32/windows/menu.c
+++ b/reactos/lib/user32/windows/menu.c
@@ -4318,6 +4318,7 @@ ModifyMenuA(
   LPCSTR lpNewItem)
 {
   MENUITEMINFOA mii;
+  memset( &mii, 0, sizeof(mii) );
   mii.cbSize = sizeof(MENUITEMINFOA);
   mii.fMask = MIIM_FTYPE | MIIM_STRING | MIIM_STATE;
   mii.fType = 0;