--- a/docker-compose-tests.yml
+++ b/docker-compose-tests.yml
@@ -21,6 +21,8 @@
     build:
       context: ./
       dockerfile: Dockerfile-tests
+      volumes:
+      - ./tests/src/config_docker.ts:/nft_parachain/tests/src/config.ts
     networks:
       - node_test_network
     depends_on:
--- a/tests/src/config.ts
+++ b/tests/src/config.ts
@@ -6,7 +6,7 @@
 import process from 'process';
 
 const config = {
-  substrateUrl: process.env.substrateUrl || 'ws://172.17.0.1:9944'
+  substrateUrl: process.env.substrateUrl || 'ws://127.0.0.1:9944'
 }
 
 export default config;
\ No newline at end of file
--- /dev/null
+++ b/tests/src/config_docker.ts
@@ -0,0 +1,12 @@
+//
+// This file is subject to the terms and conditions defined in
+// file 'LICENSE', which is part of this source code package.
+//
+
+import process from 'process';
+
+const config = {
+  substrateUrl: process.env.substrateUrl || 'ws://172.17.0.1:9944'
+}
+
+export default config;
\ No newline at end of file