diff --git a/ansible/roles/stack-sunbird/templates/sunbird_learner-service.env b/ansible/roles/stack-sunbird/templates/sunbird_learner-service.env
index dda04020c9a2d7a976a04e0d43739968fad4756e..0058a136d082aa27810631eb7e822afc628385d4 100644
--- a/ansible/roles/stack-sunbird/templates/sunbird_learner-service.env
+++ b/ansible/roles/stack-sunbird/templates/sunbird_learner-service.env
@@ -127,3 +127,4 @@ form_api_endpoint={{form_api_endpoint | default('/plugin/v1/form/read')}}
 
 # Release-3.7.0
 learner_in_memory_cache_ttl={{learner_in_memory_cache_ttl | default(600)}}
+user_index_alias={{user_index_alias | default('user_alias')}}