diff --git a/lib/forms.less b/lib/forms.less
index 4aec1ec1ab..b2bd7b8cc8 100644
--- a/lib/forms.less
+++ b/lib/forms.less
@@ -87,6 +87,7 @@ input[type=radio] {
   line-height: normal;
   border: none;
   cursor: pointer;
+  .border-radius(0);
 }
 
 // Reset the file input to browser defaults