diff --git a/runtime/protoimpl/impl.go b/runtime/protoimpl/impl.go
index ccdc91d..2eec9d9 100644
--- a/runtime/protoimpl/impl.go
+++ b/runtime/protoimpl/impl.go
@@ -38,7 +38,7 @@
 	// integer overflow failure when evaluating the uint constant.
 	EnforceVersion uint
 
-	MessageType = impl.MessageType
+	MessageInfo = impl.MessageInfo
 	FileBuilder = fileinit.FileBuilder
 
 	// TODO: Change these to more efficient data structures.