diff --git a/src/Umbraco.Web.UI.Client/src/less/main.less b/src/Umbraco.Web.UI.Client/src/less/main.less
index ce20b8dc88..2354e96d38 100644
--- a/src/Umbraco.Web.UI.Client/src/less/main.less
+++ b/src/Umbraco.Web.UI.Client/src/less/main.less
@@ -272,6 +272,7 @@ label:not([for]) {
 /* CONTROL VALIDATION */
 .umb-control-required {
     color: @controlRequiredColor;
+    font-weight: 900;
 }
 
 .controls-row {