diff --git a/types/dynamicpb/dynamic.go b/types/dynamicpb/dynamic.go
index 86371cf..2a41fc8 100644
--- a/types/dynamicpb/dynamic.go
+++ b/types/dynamicpb/dynamic.go
@@ -323,7 +323,7 @@
 }
 
 func (mt messageType) New() pref.Message                  { return NewMessage(mt.desc) }
-func (mt messageType) Zero() pref.Message                 { return NewMessage(mt.desc) }
+func (mt messageType) Zero() pref.Message                 { return &Message{typ: messageType{mt.desc}} }
 func (mt messageType) Descriptor() pref.MessageDescriptor { return mt.desc }
 
 type emptyList struct {