diff --git a/fdbclient/StorageServerInterface.h b/fdbclient/StorageServerInterface.h
index e5d4975d96..723d0d4ca9 100644
--- a/fdbclient/StorageServerInterface.h
+++ b/fdbclient/StorageServerInterface.h
@@ -119,7 +119,7 @@ struct GetValueReply : public LoadBalancedReply {
 
 	template <class Ar>
 	void serialize( Ar& ar ) {
-		serializer(ar, *(LoadBalancedReply*)this, value);
+		serializer(ar, penalty, error, value);
 	}
 };
 
@@ -167,7 +167,7 @@ struct GetKeyValuesReply : public LoadBalancedReply {
 
 	template <class Ar>
 	void serialize( Ar& ar ) {
-		serializer(ar, *(LoadBalancedReply*)this, data, version, more, arena);
+		serializer(ar, penalty, error, data, version, more, arena);
 	}
 };
 
@@ -198,7 +198,7 @@ struct GetKeyReply : public LoadBalancedReply {
 
 	template <class Ar>
 	void serialize( Ar& ar ) {
-		serializer(ar, *(LoadBalancedReply*)this, sel);
+		serializer(ar, penalty, error, sel);
 	}
 };
 
diff --git a/fdbrpc/LoadBalance.actor.h b/fdbrpc/LoadBalance.actor.h
index 7b8c2b2a43..12020f4dc0 100644
--- a/fdbrpc/LoadBalance.actor.h
+++ b/fdbrpc/LoadBalance.actor.h
@@ -66,15 +66,11 @@ struct ModelHolder : NonCopyable, public ReferenceCounted<ModelHolder> {
 };
 
 // Subclasses must initialize all members in their default constructors
+// Subclasses must serialize all members
 struct LoadBalancedReply {
 	double penalty;
 	Optional<Error> error;
 	LoadBalancedReply() : penalty(1.0) {}
-
-	template <class Ar>
-	void serialize(Ar &ar) {
-		serializer(ar, penalty, error);
-	}
 };
 
 Optional<LoadBalancedReply> getLoadBalancedReply(LoadBalancedReply *reply);