diff --git a/tests/performance/insert_parallel.xml b/tests/performance/insert_parallel.xml
index 33801f68337..4ae50dce29a 100644
--- a/tests/performance/insert_parallel.xml
+++ b/tests/performance/insert_parallel.xml
@@ -1,4 +1,7 @@
 <test>
+    <settings>
+        <max_insert_threads>4</max_insert_threads>
+    </settings>
     <create_query>CREATE TABLE t (x UInt64) ENGINE = Null</create_query>
     <query>INSERT INTO t SELECT * FROM numbers_mt(1000000000)</query>
     <drop_query>DROP TABLE IF EXISTS t</drop_query>