diff --git a/appview/pages/templates/repo/pulls/fragments/pullStepSource.html b/appview/pages/templates/repo/pulls/fragments/pullStepSource.html
index 7eef467e..36c1cae1 100644
--- a/appview/pages/templates/repo/pulls/fragments/pullStepSource.html
+++ b/appview/pages/templates/repo/pulls/fragments/pullStepSource.html
@@ -94,7 +94,7 @@
 {{ end }}
 
 {{ define "pullSourceTabs" }}
-    {{ $active := "bg-white dark:bg-gray-800 shadow-sm cursor-default border border-gray-700" }}
+    {{ $active := "bg-white dark:bg-gray-800 shadow-sm cursor-default border border-gray-200 dark:border-gray-700" }}
     {{ $inactive := "bg-transparent hover:bg-white/50 dark:hover:bg-gray-800/50" }}
     {{ $shared := "group flex-1 p-3 text-left hover:no-underline flex flex-col gap-1 rounded" }}
     {{ $titleCls := "font-medium text-sm dark:text-white flex items-center gap-2" }}