diff --git a/package.json b/package.json
index 1a97f65..8057c59 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "codemirror-lang-liquidsoap",
-  "version": "0.2.2",
+  "version": "0.2.3",
   "description": "Liquidsoap language support for prosemirror",
   "main": "dist/index.cjs",
   "bin": {
diff --git a/src/liquidsoap.grammar b/src/liquidsoap.grammar
index e7b7041..c28f55e 100644
--- a/src/liquidsoap.grammar
+++ b/src/liquidsoap.grammar
@@ -531,7 +531,7 @@ Tuple {
 }
 
 AnonymousFunction {
-  "fun" Arglist !yields "->" expr
+  dkw<"fun"> Arglist !yields "->" expr
 }
 
 If {