diff --git a/ui-ngx/src/app/modules/home/pages/rulechain/rulechain-page.component.scss b/ui-ngx/src/app/modules/home/pages/rulechain/rulechain-page.component.scss
index d0bbc57628..768e76b5a9 100644
--- a/ui-ngx/src/app/modules/home/pages/rulechain/rulechain-page.component.scss
+++ b/ui-ngx/src/app/modules/home/pages/rulechain/rulechain-page.component.scss
@@ -319,6 +319,7 @@
 
   .tb-context-menu-header {
     display: flex;
+    box-sizing: content-box;
     flex-direction: row;
     height: 36px;
     min-height: 36px;