diff --git a/vscode/syntaxes/nub.tmLanguage.json b/vscode/syntaxes/nub.tmLanguage.json
index ad335f6..2f778c9 100644
--- a/vscode/syntaxes/nub.tmLanguage.json
+++ b/vscode/syntaxes/nub.tmLanguage.json
@@ -56,7 +56,7 @@
       "patterns": [
         {
           "name": "keyword.control.nub",
-          "match": "\\b(if|else|while|break|continue|return|let|defer)\\b"
+          "match": "\\b(if|else|while|for|in|break|continue|return|let|defer)\\b"
         },
         {
           "name": "keyword.other.nub",