diff --git a/chart/values.yaml b/chart/values.yaml
index 04230e4fafa3ac46e33c0016a4bb55692ecbc324..adfec900938163fb3475a0b3cc4df28b8d987942 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -63,6 +63,10 @@ database:
   postgresqlPassword: dbpw
   postgresqlDatabase: dbname
   postgresqlPostgresPassword: dbpgpw
+  initdbScripts:
+    enablePostgis.sh: |
+      echo "Enabling postgis"
+      PGPASSWORD="$POSTGRES_POSTGRES_PASSWORD" psql -U postgres -d "${POSTGRES_DB}" -c "CREATE EXTENSION postgis;"
 
 renderer:
   replicaCount: 1