diff --git a/packages/components/src/components/button/_button.scss b/packages/components/src/components/button/_button.scss
index 37fd2c7af487..8b35494ac567 100644
--- a/packages/components/src/components/button/_button.scss
+++ b/packages/components/src/components/button/_button.scss
@@ -32,7 +32,7 @@
     + .#{$prefix}--btn--primary.#{$prefix}--btn--disabled,
   .#{$prefix}--btn--tertiary.#{$prefix}--btn--disabled
     + .#{$prefix}--btn--danger.#{$prefix}--btn--disabled {
-    border-left: rem(1px) solid $disabled-03;
+    box-shadow: rem(-1px) 0 0 0 $disabled-03;
   }
 
   .#{$prefix}--btn {