diff --git a/devel-utils/docker-compose.yml b/devel-utils/docker-compose.yml
index 5fac7be..39459ee 100644
--- a/devel-utils/docker-compose.yml
+++ b/devel-utils/docker-compose.yml
@@ -8,7 +8,7 @@ services:
   init-guac-db:
     image: guacamole/guacamole:latest
     user: root
-    command: ["/bin/sh", "-c", "test -e /init/initdb.sql && echo 'init file already exists' || /opt/guacamole/bin/initdb.sh --postgres > /init/initdb.sql" ]
+    command: ["/bin/sh", "-c", "test -e /init/initdb.sql && echo 'init file already exists' || /opt/guacamole/bin/initdb.sh --postgresql > /init/initdb.sql" ]
     volumes:
       - dbinit:/init