diff --git a/src/gtk/style.css b/src/gtk/style.css
index bf1c76e..ed919b0 100644
--- a/src/gtk/style.css
+++ b/src/gtk/style.css
@@ -26,7 +26,7 @@
     background-color: alpha(var(--error-bg-color), 0.1);
 }
 .singbox-status > sheet > stack > button {
-    border-radius: 10px;
+    border-radius: 10px 10px 0px 0px;
     padding: 5px;
 }
 .singbox-log {