|  | @@ -60,9 +60,8 @@ module.exports = function (grunt) {
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														|  |          // run the compiler and call the async callback once finished
 |  |          // run the compiler and call the async callback once finished
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														|  |          var self = this;
 |  |          var self = this;
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														|  | -        compiler.main(configuration, function () {
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														|  | -            // signal that task has finished
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														|  | -            done();
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 |  | +        compiler.main(configuration, function (err) {
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														|  | 
 |  | +            done(err || true);
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														|  |          });
 |  |          });
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														|  |      });
 |  |      });
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