diff --git a/packaging/systemd/moshiro-backend-container.service b/packaging/systemd/moshiro-backend-container.service
index cc1bba7..3b4f1d8 100644
--- a/packaging/systemd/moshiro-backend-container.service
+++ b/packaging/systemd/moshiro-backend-container.service
@@ -5,6 +5,7 @@ Wants=network-online.target
 
 [Service]
 EnvironmentFile=/etc/moshiro-update/backend.image
+Environment=ASPNETCORE_URLS=http://0.0.0.0:29181
 Restart=always
 RestartSec=5
 TimeoutStopSec=30