diff --git a/scss/_variables.scss b/scss/_variables.scss
index c7dbdcf846..26b44e90d8 100644
--- a/scss/_variables.scss
+++ b/scss/_variables.scss
@@ -766,7 +766,7 @@ $alert-border-width:                $border-width !default;
 
 $alert-bg-level:                    -10 !default;
 $alert-border-level:                -9 !default;
-$alert-color-level:                 6!default;
+$alert-color-level:                 6 !default;
 
 
 // Progress bars