diff --git a/lib/ace/mode/json_worker_test.js b/lib/ace/mode/json_worker_test.js
index b4a8610d..7113342d 100644
--- a/lib/ace/mode/json_worker_test.js
+++ b/lib/ace/mode/json_worker_test.js
@@ -58,7 +58,7 @@ module.exports = {
         worker.setValue("{}");
         worker.deferredUpdate.call();
 
-        assert.equal(this.sender.events[0][0], "ok");
+        assert.equal(this.sender.events[0][1].length, 0);
     },
 
     "test check for syntax error": function() {
@@ -71,11 +71,12 @@ module.exports = {
         worker.deferredUpdate.call();
 
         var event = this.sender.events[0];
-        assert.equal(event[0], "error");
-        assert.equal(event[1].type, "error");
-        assert.equal(event[1].text, "Bad string");
-        assert.equal(event[1].row, 1);
-        assert.equal(event[1].column, 0);
+        assert.equal(event[0], "annotate");
+        assert.equal(event[1].length, 1);
+        assert.equal(event[1][0].type, "error");
+        assert.equal(event[1][0].text, "Bad string");
+        assert.equal(event[1][0].row, 1);
+        assert.equal(event[1][0].column, 0);
 
     },
 
@@ -85,11 +86,11 @@ module.exports = {
         worker.deferredUpdate.call();
 
         var event = this.sender.events[0];
-        assert.equal(event[0], "error");
-        assert.equal(event[1].type, "error");
-        assert.equal(event[1].text, "Unexpected 'x'");
-        assert.equal(event[1].row, 0);
-        assert.equal(event[1].column, 0);
+        assert.equal(event[0], "annotate");
+        assert.equal(event[1][0].type, "error");
+        assert.equal(event[1][0].text, "Unexpected 'x'");
+        assert.equal(event[1][0].row, 0);
+        assert.equal(event[1][0].column, 0);
     }
 
 };