diff --git a/main/webapp/modules/core/styles/jquery-ui-overrides.less b/main/webapp/modules/core/styles/jquery-ui-overrides.less
index 31696f4dd..e4ca9e646 100644
--- a/main/webapp/modules/core/styles/jquery-ui-overrides.less
+++ b/main/webapp/modules/core/styles/jquery-ui-overrides.less
@@ -55,6 +55,10 @@
 .ui-tabs .ui-corner-top, .ui-tabs .ui-corner-top {
   border-top-left-radius: 0;
   border-top-right-radius: 0;
+  -webkit-border-top-right-radius: 0;
+  -webkit-border-top-left-radius: 0;
+  -moz-border-radius-topright: 0;
+  -moz-border-radius-topleft: 0;
   }
   
 .ui-tabs .ui-tabs-panel {