diff --git a/ansible/roles/stack-sunbird/templates/sunbird_mlworkbench-service.env b/ansible/roles/stack-sunbird/templates/sunbird_mlworkbench-service.env
index dc698e76f7..26e34a549c 100644
--- a/ansible/roles/stack-sunbird/templates/sunbird_mlworkbench-service.env
+++ b/ansible/roles/stack-sunbird/templates/sunbird_mlworkbench-service.env
@@ -1,5 +1,5 @@
 GOOGLE_APPLICATION_CREDENTIALS=""
-redis_host={{groups['redis1']}}
+redis_host={{groups['redis1'][0]}}
 redis_port=6379
 redis_password=""
 tagme_token=""