diff --git a/app/assets/stylesheets/bootstrap_and_overrides.css.less b/app/assets/stylesheets/bootstrap_and_overrides.css.less
index 31b3a1f7..650d2981 100644
--- a/app/assets/stylesheets/bootstrap_and_overrides.css.less
+++ b/app/assets/stylesheets/bootstrap_and_overrides.css.less
@@ -331,7 +331,7 @@ table.table {
 
 // show package icon after amount of wholesale units
 .package-image (@align) {
-  background-image: url(package-bg.png);
+  background-image: image-url('package-bg.png');
   background-repeat: no-repeat;
   background-position: @align center;
 }