diff --git a/fdbclient/vexillographer/fdb.options b/fdbclient/vexillographer/fdb.options
index cafa0cc402..57ae180a07 100644
--- a/fdbclient/vexillographer/fdb.options
+++ b/fdbclient/vexillographer/fdb.options
@@ -134,7 +134,7 @@ description is not currently required but encouraged.
     <Option name="distributed_client_tracer" code="90"
             paramType="String" paramDescription="Distributed tracer type. Choose from none, log_file, or network_lossy"
             description="Set a tracer to run on the client. Should be set to the same value as the tracer set on the server." />
-    <Option name="client_tmp_dir" code="90"
+    <Option name="client_tmp_dir" code="91"
             paramType="String" paramDescription="Client directory for temporary files. "
             description="Sets the directory for storing temporary files created by FDB client, such as temporary copies of client libraries. Defaults to /tmp" />
     <Option name="supported_client_versions" code="1000"