diff --git a/less/buttons.less b/less/buttons.less
index d780652949..872b5aec1f 100644
--- a/less/buttons.less
+++ b/less/buttons.less
@@ -89,7 +89,7 @@
   line-height: @baseLineHeight - 2px;
 }
 .btn-small [class^="icon-"] {
-  margin-top: 0px;
+  margin-top: 0;
 }
 
 // Mini