diff --git a/examples/compose/docker-compose.yml b/examples/compose/docker-compose.yml
index 5eb111a..baf50ba 100644
--- a/examples/compose/docker-compose.yml
+++ b/examples/compose/docker-compose.yml
@@ -64,7 +64,7 @@ services:
     environment:
       - "TZ=${TZ}"
       - "PUID=${PUID}"
-      - "PGID=${PUID}"
+      - "PGID=${PGID}"
       - "LOG_LEVEL=LOG_INFO"
       - "WRITE_TIMEOUT=1800"
       - "WRITE_JITTER=1800"