diff --git a/assets/sass/abstracts/_mixins.scss b/assets/sass/abstracts/_mixins.scss
index 1c06d74..6704a15 100644
--- a/assets/sass/abstracts/_mixins.scss
+++ b/assets/sass/abstracts/_mixins.scss
@@ -1,3 +1,4 @@
+$theme-map: null;
 @mixin themify($themes) {
   @each $theme, $map in $themes {
     .theme__#{$theme} & {