diff --git a/extra/mattermost.yml b/extra/mattermost.yml
index c9fe3b6..e2e08fc 100644
--- a/extra/mattermost.yml
+++ b/extra/mattermost.yml
@@ -51,6 +51,8 @@ services:
     #  # MM_SQLSETTINGS_DATASOURCE=postgres://${MM_USERNAME}:${MM_PASSWORD}@db:5432/${MM_DBNAME}?sslmode=disable&connect_timeout=10
     #  #- MM_SQLSETTINGS_DATASOURCE=postgres://mmuser:mmuser_password@db:5432/mattermost?sslmode=disable&connect_timeout=10
       - MM_SQLSETTINGS_DATASOURCE=postgres://${MM_USERNAME}:${MM_PASSWORD}@db:5432/${MM_DBNAME}?sslmode=disable&connect_timeout=10
+      - PUID=2000
+      - GUID=2000
 
     #  # in case your config is not in default location
     #  #- MM_CONFIG=/mattermost/config/config.json