diff --git a/scss/mixins/_buttons.scss b/scss/mixins/_buttons.scss
index 80d0f6cc27..f9981e326a 100644
--- a/scss/mixins/_buttons.scss
+++ b/scss/mixins/_buttons.scss
@@ -20,7 +20,12 @@
   }
   &:focus,
   &.focus {
-    box-shadow: 0 0 0 2px rgba($border, .5);
+    // Avoid using mixin so we can pass custom focus shadow properly
+    @if $enable-shadows {
+      box-shadow: $btn-box-shadow, 0 0 0 2px rgba($border, .5);
+    } @else {
+      box-shadow: 0 0 0 2px rgba($border, .5);
+    }
   }
 
   // Disabled comes first so active can properly restyle