diff --git a/src/messages/MOSDOp.h b/src/messages/MOSDOp.h
index 5c2db7b011b48..5646d5102f891 100755
--- a/src/messages/MOSDOp.h
+++ b/src/messages/MOSDOp.h
@@ -475,7 +475,7 @@ struct ceph_osd_request_head {
 	::decode_raw(opgid, p);
 	pgid.pgid = opgid;
       } else {
-	::decode(pgid, p);
+	::decode(pgid.pgid, p);
       }
 
       ::decode(hobj.oid, p);