diff --git a/docker/test/testflows/runner/Dockerfile b/docker/test/testflows/runner/Dockerfile
index b9c50c4e08c..0b0b970d3ce 100644
--- a/docker/test/testflows/runner/Dockerfile
+++ b/docker/test/testflows/runner/Dockerfile
@@ -73,4 +73,4 @@ RUN set -x \
 VOLUME /var/lib/docker
 EXPOSE 2375
 ENTRYPOINT ["dockerd-entrypoint.sh"]
-CMD ["sh", "-c", "python3 regression.py --no-color -o classic --local --clickhouse-binary-path ${CLICKHOUSE_TESTS_SERVER_BIN_PATH} --only /clickhouse/:/foo2 --log test.log ${TESTFLOWS_OPTS}; cat test.log | tfs report results --format json > results.json; /usr/local/bin/process_testflows_result.py || echo -e 'failure\tCannot parse results' > check_status.tsv; find . -type f | grep _instances | grep clickhouse-server | xargs -n1 tar -rvf clickhouse_logs.tar"]
+CMD ["sh", "-c", "python3 regression.py --no-color -o classic --local --clickhouse-binary-path ${CLICKHOUSE_TESTS_SERVER_BIN_PATH} --only /clickhouse/:/foo2 --log test.log ${TESTFLOWS_OPTS}; cat test.log | tfs report results --format json > results.json; /usr/local/bin/process_testflows_result.py || echo -e 'failure\tCannot parse results' > check_status.tsv; find . -type f | grep _instances | grep clickhouse-server | xargs -n1 tar -rvf clickhouse_logs.tar; gzip -9 clickhouse_logs.tar"]
diff --git a/tests/testflows/runner b/tests/testflows/runner
index 586684e17e4..772a4d01a84 100755
--- a/tests/testflows/runner
+++ b/tests/testflows/runner
@@ -126,7 +126,7 @@ if __name__ == "__main__":
         move_from = os.path.join(args.clickhouse_root, 'tests/testflows')
         status = os.path.join(move_from, 'check_status.tsv')
         results = os.path.join(move_from, 'test_results.tsv')
-        clickhouse_logs = os.path.join(move_from, 'clickhouse_logs.tar')
+        clickhouse_logs = os.path.join(move_from, 'clickhouse_logs.tar.gz')
         subprocess.call("mv {} {}".format(status, result_path), shell=True)
         subprocess.call("mv {} {}".format(results, result_path), shell=True)
         subprocess.call("mv {} {}".format(clickhouse_logs, result_path), shell=True)