diff --git a/runtime/makemenu.vim b/runtime/makemenu.vim
index 0479f7b..16af203 100644
--- a/runtime/makemenu.vim
+++ b/runtime/makemenu.vim
@@ -651,7 +651,7 @@
 SynMenu WXYZ.WEB.CWEB:cweb
 SynMenu WXYZ.WEB.WEB:web
 SynMenu WXYZ.WEB.WEB\ Changes:change
-SynMenu WXYZ.WebAssembly:wast
+SynMenu WXYZ.WebAssembly:wat
 SynMenu WXYZ.Webmacro:webmacro
 SynMenu WXYZ.Website\ MetaLanguage:wml
 SynMenu WXYZ.wDiff:wdiff