diff --git a/scss/_input-group.scss b/scss/_input-group.scss
index 2ed5f330402a..7ebc313d37b9 100644
--- a/scss/_input-group.scss
+++ b/scss/_input-group.scss
@@ -75,6 +75,10 @@
   .btn {
     position: relative;
     z-index: 2;
+
+    &:focus {
+      z-index: 3;
+    }
   }
 
   .btn + .btn,