diff --git a/run-document-server.sh b/run-document-server.sh
index 8736e9c75..4f083e08d 100644
--- a/run-document-server.sh
+++ b/run-document-server.sh
@@ -265,6 +265,16 @@ if [ "${DB_HOST}" = "localhost" ]; then
     create_postgresql_cluster
     PG_NEW_CLUSTER=true
   fi
+
+  # Force trust authentication for localhost connections
+  # This fixes the "password authentication failed" error
+  if [ -d "${PGDATA}" ]; then
+    echo "local all onlyoffice trust" > "${PGDATA}/pg_hba.conf"
+    echo "local all all peer" >> "${PGDATA}/pg_hba.conf"
+    echo "host all all 127.0.0.1/32 trust" >> "${PGDATA}/pg_hba.conf"
+    echo "host all all ::1/128 trust" >> "${PGDATA}/pg_hba.conf"
+  fi
+  
   LOCAL_SERVICES+=("postgresql")
 fi