diff --git a/server/load-data.sh b/server/load-data.sh
index 5852e7e7..084ccc76 100755
--- a/server/load-data.sh
+++ b/server/load-data.sh
@@ -3,5 +3,5 @@ set -euo pipefail
 
 # Load Maryland geojson
 echo "Loading data..."
-docker-compose exec tileserv_db sh -c 'ogr2ogr -progress PG:"dbname=tileserv user=tileserv" /work/maryland.geojson'
+docker-compose exec tileserv_db sh -c 'ogr2ogr -progress -f PostgreSQL PG:"dbname=tileserv user=tileserv" /work/maryland.geojson'
 echo "Data load complete"