diff --git a/customize.dist/src/less2/include/alertify.less b/customize.dist/src/less2/include/alertify.less
index 2960c1c3b..17948614b 100644
--- a/customize.dist/src/less2/include/alertify.less
+++ b/customize.dist/src/less2/include/alertify.less
@@ -431,7 +431,7 @@
                     width: 50px;
                     margin: 0;
                     min-width: 0;
-                    font-size: 18px;
+                    font-size: 18px !important;
                 }
             }
         }