diff --git a/gulpfile.js b/gulpfile.js
index cc314101..567c63bb 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -40,7 +40,7 @@ gulp.task('vendorCss', () => {
         .pipe(plugins.cleanCss())
         .pipe(plugins.replace('../../../font-awesome/', './'))
         .pipe(plugins.replace('../../jquery-ui-dist/', ''))
-        .pipe(plugins.replace(/background-image:url\(\.\.\/\.\./g, `background-image:url(../../${ASSET_URL}`)) //cief todo: gulp
+        .pipe(plugins.replace(/background-image:url\(\.\.\/\.\./g, `background-image:url(${ASSET_URL}../`)) //cief todo: gulp
         .pipe(gulp.dest(pkg.paths.build.css));
 });