diff --git a/context/context.go b/context/context.go
index d9424f35..900785fc 100644
--- a/context/context.go
+++ b/context/context.go
@@ -1259,7 +1259,7 @@ type (
 )
 
 // String returns the raw ref url.
-func (ref *Referrer) String() string {
+func (ref Referrer) String() string {
 	return ref.Raw
 }