diff --git a/codemirror b/codemirror
index 4334727f..ebf81921 160000
--- a/codemirror
+++ b/codemirror
@@ -1 +1 @@
-Subproject commit 4334727f0e07acd4541b0a7b8f81a5984cd4aafe
+Subproject commit ebf81921f80024e3e94c7a8e1235ab59464fa5ef
diff --git a/package.json b/package.json
index d3b96819..a8ac7082 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,6 @@
     "@types/jquery": "^2.x",
     "@types/bootstrap": "^3.x",
     "mocha": "^5.2.0",
-    "mocha-phantomjs": "^4.1.0",
     "wavedrom-cli": "^0.5.0"
   },
   "description": "8bitworkshop.com",
@@ -20,11 +19,10 @@
   },
   "scripts": {
     "build": "tsc",
-    "test": "npm run test-node && npm run test-browser",
+    "test": "npm run test-node",
     "test-one": "mocha --recursive --timeout 60000",
     "test-node": "mocha --recursive --timeout 60000 test/cli",
-    "test-profile": "mocha --recursive --timeout 60000 --prof test/cli",
-    "test-browser": "mocha-phantomjs ./testemu.html"
+    "test-profile": "mocha --recursive --timeout 60000 --prof test/cli"
   },
   "repository": {
     "type": "git",
diff --git a/src/worker/workermain.js b/src/worker/workermain.js
index ad14e597..3e78824f 100644
--- a/src/worker/workermain.js
+++ b/src/worker/workermain.js
@@ -394,6 +394,8 @@ function extractErrors(regex, strings) {
   return errors;
 }
 
+// TODO: "of" doesn't work in MSIE
+
 function parseListing(code, lineMatch, iline, ioffset, iinsns, origin) {
   var lines = [];
   origin |= 0;
@@ -725,7 +727,7 @@ function compileCC65(step) {
   load("cc65");
   var params = step.params;
   // stderr
-  var re_err1 = /.*?(\d+).*?: (.+)/;
+  var re_err1 = /.*?[(](\d+)[)].*?: (.+)/;
   var errors = [];
   var errline = 0;
   function match_fn(s) {