diff --git a/docker/test/stateless/Dockerfile b/docker/test/stateless/Dockerfile
index 82e2f3a6373..4ec48ac3fd4 100644
--- a/docker/test/stateless/Dockerfile
+++ b/docker/test/stateless/Dockerfile
@@ -73,6 +73,7 @@ CMD dpkg -i package_folder/clickhouse-common-static_*.deb; \
     ln -s /usr/share/clickhouse-test/config/server.key /etc/clickhouse-server/; \
     ln -s /usr/share/clickhouse-test/config/server.crt /etc/clickhouse-server/; \
     ln -s /usr/share/clickhouse-test/config/dhparam.pem /etc/clickhouse-server/; \
+    if [ -n $USE_POLYMORPHIC_PARTS ] && [ $USE_POLYMORPHIC_PARTS -eq 1 ]; ln -s /usr/share/clickhouse-test/config/polymorphic_parts.xml /etc/clickhouse-server/config.d/; fi; \
     ln -sf /usr/share/clickhouse-test/config/client_config.xml /etc/clickhouse-client/config.xml; \
     service zookeeper start; sleep 5; \
     service clickhouse-server start && sleep 5 && clickhouse-test --testname --shard --zookeeper $ADDITIONAL_OPTIONS $SKIP_TESTS_OPTION 2>&1 | ts '%Y-%m-%d %H:%M:%S' | tee test_output/test_result.txt
diff --git a/tests/config/polymorphic_parts.xml b/tests/config/polymorphic_parts.xml
new file mode 100644
index 00000000000..2924aa5c69d
--- /dev/null
+++ b/tests/config/polymorphic_parts.xml
@@ -0,0 +1,5 @@
+<yandex>
+    <merge_tree>
+        <min_bytes_for_wide_part>10485760</min_bytes_for_wide_part>
+    </merge_tree>
+</yandex>