diff --git a/startup.sh b/startup.sh
index 6c71149..afcae1a 100755
--- a/startup.sh
+++ b/startup.sh
@@ -3,7 +3,7 @@
 DATASETTE_PID=0
 
 start_datasette() {
-  DATASETTE_SERVE_ARGS="-h 0.0.0.0 -p $PORT --setting sql_time_limit_ms 10000 --nolock --immutable=/mnt/datasets/digital-land.sqlite3 "
+  DATASETTE_SERVE_ARGS="-h 0.0.0.0 -p $PORT --setting sql_time_limit_ms 10000 --nolock --immutable=/mnt/datasets/digital-land.sqlite3 --immutable=/mnt/datasets/performance.sqlite3 "
 
   for KEY in $(jq -rc 'keys[]' /mnt/datasets/inspect-data-all.json); do
     DATASETTE_SERVE_ARGS+="--immutable=/mnt/datasets/$KEY.sqlite3 ";