diff --git a/Jakefile.js b/Jakefile.js
index cdf8e30efe0..f1e973a2d80 100644
--- a/Jakefile.js
+++ b/Jakefile.js
@@ -730,8 +730,9 @@ task("update-sublime", ["local", serverFile], function() {
 // run this task automatically
 desc("Runs tslint on the compiler sources");
 task("lint", [], function() {
-    for(var i in compilerSources) {
-        var f = compilerSources[i];
+    var lintTagets = compilerSources.concat(harnessSources);
+    for(var i in lintTagets) {
+        var f = lintTagets[i];
         var cmd = 'tslint -f ' + f;
         exec(cmd,
             function() { console.log('SUCCESS: No linter errors'); },