diff --git a/less/alerts.less b/less/alerts.less
index 1f73314c11..f8b2a888ad 100644
--- a/less/alerts.less
+++ b/less/alerts.less
@@ -17,7 +17,7 @@
   position: relative;
   top: -2px;
   right: -21px;
-  line-height: 18px;
+  line-height: @baseLineHeight;
 }
 
 // Alternate styles