diff --git a/test/main.js b/test/main.js
index <HASH>..<HASH> 100644
--- a/test/main.js
+++ b/test/main.js
@@ -148,6 +148,8 @@ describe('gulp-sass -- async compile', function() {
       err.message.indexOf('test/scss/error.scss').should.not.equal(-1);
       // Error must include line and column error occurs on
       err.message.indexOf('on line 2').should.not.equal(-1);
+      // Error must include relativePath property
+      err.relativePath.should.equal('test/scss/error.scss');
       done();
     });
     stream.write(errorFile);
add relativePath assertion to sync test