diff --git a/proxy_server_config.yaml b/proxy_server_config.yaml
index a779e725e4b..15a256fff97 100644
--- a/proxy_server_config.yaml
+++ b/proxy_server_config.yaml
@@ -36,6 +36,7 @@ model_list:
   - model_name: fake-openai-endpoint
     litellm_params:
       model: openai/fake
+      api_key: fake-key
       api_base: https://exampleopenaiendpoint-production.up.railway.app/chat/completions/
 
 litellm_settings: