diff --git a/ChatQnA/docker/ui/svelte/.env b/ChatQnA/docker/ui/svelte/.env
index fad2468c0f..d6f7643b62 100644
--- a/ChatQnA/docker/ui/svelte/.env
+++ b/ChatQnA/docker/ui/svelte/.env
@@ -1,7 +1,7 @@
-CHAT_BASE_URL = 'http://backend_address:8888/v1/chatqna'
+CHAT_BASE_URL = '/v1/chatqna'
 
-UPLOAD_FILE_BASE_URL = 'http://backend_address:6007/v1/dataprep'
+UPLOAD_FILE_BASE_URL = '/v1/dataprep'
 
-GET_FILE = 'http://backend_address:6007/v1/dataprep/get_file'
+GET_FILE = '/v1/dataprep/get_file'
 
-DELETE_FILE = 'http://backend_address:6007/v1/dataprep/delete_file'
+DELETE_FILE = '/v1/dataprep/delete_file'