diff --git a/packages/components/src/components/modal/_modal.scss b/packages/components/src/components/modal/_modal.scss
index 09168e690fe9..258f98ddfc7d 100644
--- a/packages/components/src/components/modal/_modal.scss
+++ b/packages/components/src/components/modal/_modal.scss
@@ -144,7 +144,7 @@
 
     button.#{$prefix}--btn {
       max-width: none;
-      width: 50%;
+      flex: 1;
       height: 4rem;
       margin: 0;
       padding-top: 1rem;