diff --git a/style/components/switch.less b/style/components/switch.less
index cc95263420..ad86f206a1 100644
--- a/style/components/switch.less
+++ b/style/components/switch.less
@@ -10,7 +10,7 @@
   height: 22px;
   line-height: 20px;
   vertical-align: middle;
-  border-radius: 20px 20px;
+  border-radius: 20px;
   border: 1px solid #ccc;
   background-color: #ccc;
   cursor: pointer;