diff --git a/tools/cjs-jasmine/index.ts b/tools/cjs-jasmine/index.ts
index b108a42be2..b9ddea570a 100644
--- a/tools/cjs-jasmine/index.ts
+++ b/tools/cjs-jasmine/index.ts
@@ -33,7 +33,7 @@ if (globsIndex < 0) {
 
 var specFiles: any =
     args.map(function(globstr: string): string[] {
-          var tests: string[] = glob.sync(globstr, {
+          return glob.sync(globstr, {
             cwd: distAll,
             ignore: [
               // the following code and tests are not compatible with CJS/node environment
@@ -50,11 +50,9 @@ var specFiles: any =
               'payload_tests/**'
             ]
           });
-          // The security spec however works (and must work!) on the server side.
-          tests = tests.concat(
-              glob.sync('@angular/platform-browser/test/security/**/*_spec.js', {cwd: distAll}));
-          return tests;
         })
+        // The security spec however works (and must work!) on the server side.
+        .concat(glob.sync('@angular/platform-browser/test/security/**/*_spec.js', {cwd: distAll}))
         .reduce((specFiles: string[], paths: string[]) => specFiles.concat(paths), <string[]>[]);
 
 jasmine.DEFAULT_TIMEOUT_INTERVAL = 100;