1 files changed, 3 insertions, 1 deletions
diff --git a/jstests/multiVersion/upgrade_downgrade_mongod.js b/jstests/multiVersion/upgrade_downgrade_mongod.js
index 244ea79d71e..35c93318d5e 100644
--- a/jstests/multiVersion/upgrade_downgrade_mongod.js
+++ b/jstests/multiVersion/upgrade_downgrade_mongod.js
@@ -258,7 +258,9 @@
     function init_replication(conn){
         var testDB = conn.getDB('test');
         var testName = this.name;
-        var rsconf = {_id: 'oplog', members: [ {_id: 0, host: 'localhost:' + conn.port}]};
+        var rsconf = {_id: 'oplog',
+                      members: [ {_id: 0, host: 'localhost:' + conn.port}],
+                      protocolVersion: 0};
 
         assert.commandWorked(testDB.adminCommand({replSetInitiate : rsconf}),
             testName + ' replSetInitiate');