diff --git a/src/components/button/button.styles.ts b/src/components/button/button.styles.ts
index b51e8d4d8..344d88b79 100644
--- a/src/components/button/button.styles.ts
+++ b/src/components/button/button.styles.ts
@@ -558,7 +558,8 @@ export default css`
   }
 
   /* Add a visual separator between solid buttons */
-  :host(.sl-button-group__button:not(.sl-button-group__button--radio, [variant='default']):not(:hover)) .button:after {
+  :host(.sl-button-group__button:not(.sl-button-group__button--first, .sl-button-group__button--radio, [variant='default']):not(:hover))
+    .button:after {
     content: '';
     position: absolute;
     top: 0;