diff --git a/test/swarm/run.sh b/test/swarm/run.sh
index 54ab16d..f02e555 100755
--- a/test/swarm/run.sh
+++ b/test/swarm/run.sh
@@ -19,7 +19,7 @@ docker exec $(docker ps -q -f name=backup) backup
 
 docker run --rm -it \
   -v test_stack_backup_data:/data alpine \
-  ash -c 'tar -xf /data/backup/test.tar.gz && test -f /backup/pg_data/pg_stat/global.stat'
+  ash -c 'tar -xf /data/backup/test.tar.gz && test -f /backup/pg_data/pg_stat/PG_VERSION'
 
 echo "[TEST:PASS] Found relevant files in untared backup."