diff --git a/app/backup/build/backup-matrix/do_backup.sh b/app/backup/build/backup-matrix/do_backup.sh
index 9b84762..4da62bd 100755
--- a/app/backup/build/backup-matrix/do_backup.sh
+++ b/app/backup/build/backup-matrix/do_backup.sh
@@ -16,7 +16,7 @@ EOF
 echo "export sql"
 # note, -Fc means that postgresql compresses the output
 export PGPASSWORD=$MATRIX_PSQL_PWD
-pg_dump -v -Fc -U $MATRIX_PSQL_USER -h psql-proxy.service.2.cluster.deuxfleurs.fr $MATRIX_PSQL_DB | \
+pg_dump -v -Fc -U $MATRIX_PSQL_USER -h datura.machine.deuxfleurs.fr -p 5433 $MATRIX_PSQL_DB | \
 	age -r "$(cat /root/.ssh/id_ed25519.pub)" | \
 	ssh backuphost "cat > $TARGET_SSH_DIR/matrix/db-$(date --iso-8601=minute).gz.age"