diff --git a/packages/theme-chalk/src/button.scss b/packages/theme-chalk/src/button.scss
index 7a4cc709..1b8f34bf 100644
--- a/packages/theme-chalk/src/button.scss
+++ b/packages/theme-chalk/src/button.scss
@@ -159,6 +159,12 @@
       border-color: transparent;
       background-color: transparent;
     }
+
+    &.is-disabled,
+    &.is-disabled:hover,
+    &.is-disabled:focus {
+      border-color: transparent;
+    }
   }
 }