diff --git a/scss/_alert.scss b/scss/_alert.scss
index da2a98af94e8..4aa1fc20397a 100644
--- a/scss/_alert.scss
+++ b/scss/_alert.scss
@@ -34,6 +34,7 @@
     position: absolute;
     top: 0;
     right: 0;
+    z-index: 2;
     padding: $alert-padding-y $alert-padding-x;
     color: inherit;
   }