diff --git a/compose.yaml b/compose.yaml
index 4d19477..699f024 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -5,7 +5,7 @@ services:
   shimatta-kenkyusho-web:
     <<: *restart_policy
     build: .
-    user: "${DJANGO_USER_ID}:${DJANGO_USER_GID}"
+    user: "${DJANGO_USER_ID:-0}:${DJANGO_USER_GID:-0}"
     volumes:
       - "${DJANGO_STATIC_VOL:-./run/static}:/var/static"
       - "${DJANGO_MEDIA_VOL:-./run/media}:/var/media"