diff --git a/jstests/sharding/fcbis-sharding.js b/jstests/sharding/fcbis-sharding.js
new file mode 100644
index 00000000000..2b018f8ad3d
--- /dev/null
+++ b/jstests/sharding/fcbis-sharding.js
@@ -0,0 +1,53 @@
+(function() {
+'use strict';
+
+load("jstests/replsets/rslib.js");  // For reconfig and isConfigCommitted.
+
+let addNodeConfig = function(rst, nodeId, conn) {
+    var config = rst.getReplSetConfigFromNode();
+    config.version += 1;
+    config.members.push({_id: nodeId, host: conn.host});
+    reconfig(rst, config);
+    assert.soon(() => isConfigCommitted(rst.getPrimary()));
+    rst.waitForConfigReplication(rst.getPrimary());
+    rst.awaitReplication();
+    return config;
+};
+
+var st = new ShardingTest({
+    config: 1,
+    shards: {rs0: {nodes: 1}}
+});
+var mongos = st.s;
+var rs = st.rs0;
+
+// fcync the two current members before FCBIS
+assert.commandWorked(rs.getPrimary().adminCommand({fsync: 1}));
+// assert.commandWorked(rs.getSecondary().adminCommand({fsync: 1}));
+
+// Add a new member that will undergo initial sync
+let newNode = rs.add({'shardsvr': '', rsConfig: {priority: 10}, setParameter: {'initialSyncMethod': 'fileCopyBased'}});
+addNodeConfig(rs, 2, newNode);
+rs.waitForState(newNode, ReplSetTest.State.SECONDARY);
+rs.waitForAllNewlyAddedRemovals();
+
+jsTest.log("--XXXX-- Added new member");
+
+// See that because of the bug, sharding has not been initialized. Don't fail the test yet though.
+jsTest.log("--XXXX-- newNode serverStatus.sharding: " + tojson(newNode.adminCommand({'serverStatus': 1, sharding: 1}).sharding));
+
+// Make the new member become primary
+assert.commandWorked(newNode.adminCommand({replSetStepUp: 1}));
+jsTest.log("--XXXX-- After replSetStepUp");
+
+rs.awaitNodesAgreeOnPrimary(undefined, undefined, newNode);
+jsTest.log("--XXXX-- All nodes agree on newNode being primary");
+
+// BUG: This insert will fail because 'newNode' has not initialized its
+// ShardingInitializationMongoD. This only happens when using FCBIS.
+assert.commandWorked(st.s.getDB('test').getCollection('foo').insert({x: 1})); // <= This will fail!
+jsTest.log("--XXXX-- After insert on new member");
+
+st.stop();
+})();
+