diff --git a/scss/mixins/_forms.scss b/scss/mixins/_forms.scss
index 9340248f00..349aee912b 100644
--- a/scss/mixins/_forms.scss
+++ b/scss/mixins/_forms.scss
@@ -17,10 +17,8 @@
   .form-control {
     border-color: $color;
 
-    @if $enable-shadows {
-      &:focus {
-        box-shadow: $input-box-shadow, 0 0 6px lighten($color, 20%);
-      }
+    &:focus {
+      @include box-shadow($input-box-shadow, 0 0 6px lighten($color, 20%));
     }
   }