diff --git a/docker/test/stress/run.sh b/docker/test/stress/run.sh
index 6b1de001d6e..2648f0f72dc 100755
--- a/docker/test/stress/run.sh
+++ b/docker/test/stress/run.sh
@@ -62,7 +62,7 @@ function start()
             break
         fi
         # use root to match with current uid
-        clickhouse start --user root >/var/log/clickhouse-server/stdout.log 2>/var/log/clickhouse-server/stderr.log
+        clickhouse start --user root >/var/log/clickhouse-server/stdout.log 2>>/var/log/clickhouse-server/stderr.log
         sleep 0.5
         counter=$((counter + 1))
     done