diff --git a/scss/_variables.scss b/scss/_variables.scss
index e59ca5125..5468d85ab 100644
--- a/scss/_variables.scss
+++ b/scss/_variables.scss
@@ -437,6 +437,7 @@ $ribbon-margin: .25rem !default;
 
 $list-group-border-color: $border-color !default;
 $list-group-action-color: inherit !default;
+$list-group-bg: inherit !default;
 
 $input-disabled-bg: $gray-100 !default;
 $input-border-color: $border-color !default;