diff --git a/lib/ace/mode/_test/tokens_dart.json b/lib/ace/mode/_test/tokens_dart.json
index 5964791a..37cdc323 100644
--- a/lib/ace/mode/_test/tokens_dart.json
+++ b/lib/ace/mode/_test/tokens_dart.json
@@ -330,7 +330,7 @@
   ["text",";"]
 ],[
    "start",
-  ["identifier","assert"],
+  ["keyword.control.dart","assert"],
   ["text","("],
   ["identifier","unicorn"],
   ["text"," "],
@@ -357,7 +357,7 @@
   ["text",";"]
 ],[
    "start",
-  ["identifier","assert"],
+  ["keyword.control.dart","assert"],
   ["text","("],
   ["identifier","iMeantToDoThis"],
   ["text","."],