diff --git a/synapse/mautrix-whatsapp/config.yaml b/synapse/mautrix-whatsapp/config.yaml
index 3c7f374..9c92407 100644
--- a/synapse/mautrix-whatsapp/config.yaml
+++ b/synapse/mautrix-whatsapp/config.yaml
@@ -42,7 +42,7 @@ appservice:
         #           https://github.com/mattn/go-sqlite3#connection-string
         #   Postgres: Connection string. For example, postgres://user:password@host/database?sslmode=disable
         #             To connect via Unix socket, use something like postgres:///dbname?host=/var/run/postgresql
-        uri: postgres://whatsapp:jgzqnGCq3KY28C@docker-postgres-whatsapp-1/whatsapp?sslmode=disable
+        uri: postgres://whatsapp:jgzqnGCq3KY28C@dpostgres-whatsapp/whatsapp?sslmode=disable
         # Maximum number of connections. Mostly relevant for Postgres.
         max_open_conns: 20
         max_idle_conns: 2