diff --git a/tasks/jasmine.js b/tasks/jasmine.js
index 68b0d34..9cd2643 100644
--- a/tasks/jasmine.js
+++ b/tasks/jasmine.js
@@ -61,11 +61,15 @@ module.exports = function(grunt) {
 
     var done = this.async();
     phantomRunner(options, function(err,status) {
+      var success = !err && status.failed === 0;
+
       if (err) grunt.log.error(err);
       if (status.failed === 0) grunt.log.ok('0 failures');
       else grunt.log.error(status.failed + ' failures');
+
+      options.keepRunner = options.keepRunner || !success;
       teardown(options);
-      done(!err && status.failed === 0);
+      done(success);
     });
 
   });
@@ -96,8 +100,8 @@ module.exports = function(grunt) {
   }
 
   function teardown(options) {
-    if (fs.statSync(options.outfile).isFile()) fs.unlink(options.outfile);
-    jasmine.cleanTemp();
+    if (!options.keepRunner && fs.statSync(options.outfile).isFile()) fs.unlink(options.outfile);
+    if (!options.keepRunner) jasmine.cleanTemp();
 
     // Have to explicitly unregister nested wildcards. Need to file a bug for EventEmitter2
     phantomjs.removeAllListeners('*');