diff --git a/tests/clickhouse-test b/tests/clickhouse-test
index 45cde00037f..07677d5b823 100755
--- a/tests/clickhouse-test
+++ b/tests/clickhouse-test
@@ -251,7 +251,7 @@ stop_time = None
 
 # def run_tests_array(all_tests, suite, suite_dir, suite_tmp_dir, run_total):
 def run_tests_array(all_tests_with_params):
-    all_tests, suite, suite_dir, suite_tmp_dir, run_total = all_tests_with_params
+    all_tests, suite, suite_dir, suite_tmp_dir = all_tests_with_params
     global exit_code
     global SERVER_DIED
     global stop_time
@@ -698,6 +698,7 @@ def main(args):
                 all_tests = [t for t in all_tests if any([re.search(r, t) for r in args.test])]
             all_tests.sort(key=key_func)
 
+            jobs = args.jobs
             parallel_tests = []
             sequential_tests = []
             for test in all_tests:
@@ -706,35 +707,32 @@ def main(args):
                 else:
                     parallel_tests.append(test)
 
-            print("Found", len(parallel_tests), "parallel tests and", len(sequential_tests), "sequential tests")
-            run_n, run_total = args.parallel.split('/')
-            run_n = float(run_n)
-            run_total = float(run_total)
-            tests_n = len(parallel_tests)
-            if run_total > tests_n:
-                run_total = tests_n
-            if run_n > run_total:
-                continue
+            if jobs > 1 and len(parallel_tests) > 0:
+                print("Found", len(parallel_tests), "parallel tests and", len(sequential_tests), "sequential tests")
+                run_n, run_total = args.parallel.split('/')
+                run_n = float(run_n)
+                run_total = float(run_total)
+                tests_n = len(parallel_tests)
+                if run_total > tests_n:
+                    run_total = tests_n
 
-            jobs = args.jobs
-            if jobs > tests_n:
-                jobs = tests_n
-            if jobs > run_total:
-                run_total = jobs
+                if jobs > tests_n:
+                    jobs = tests_n
+                if jobs > run_total:
+                    run_total = jobs
 
-            batch_size = len(parallel_tests) // jobs
-            parallel_tests_array = []
-            for i in range(0, len(parallel_tests), batch_size):
-                parallel_tests_array.append((parallel_tests[i:i+batch_size], suite, suite_dir, suite_tmp_dir, run_total))
+                batch_size = len(parallel_tests) // jobs
+                parallel_tests_array = []
+                for i in range(0, len(parallel_tests), batch_size):
+                    parallel_tests_array.append((parallel_tests[i:i+batch_size], suite, suite_dir, suite_tmp_dir))
 
-            if jobs > 1:
                 with closing(multiprocessing.Pool(processes=jobs)) as pool:
                     pool.map(run_tests_array, parallel_tests_array)
 
-                run_tests_array((sequential_tests, suite, suite_dir, suite_tmp_dir, run_total))
+                run_tests_array((sequential_tests, suite, suite_dir, suite_tmp_dir))
                 total_tests_run += len(sequential_tests) + len(parallel_tests)
             else:
-                run_tests_array((all_tests, suite, suite_dir, suite_tmp_dir, run_total))
+                run_tests_array((all_tests, suite, suite_dir, suite_tmp_dir))
                 total_tests_run += len(all_tests)
 
     if args.hung_check: