diff --git a/tests/proxy_e2e_anthropic_messages_tests/test_config.yaml b/tests/proxy_e2e_anthropic_messages_tests/test_config.yaml
index 16ee015868..eea8ad6ec1 100644
--- a/tests/proxy_e2e_anthropic_messages_tests/test_config.yaml
+++ b/tests/proxy_e2e_anthropic_messages_tests/test_config.yaml
@@ -53,4 +53,5 @@ general_settings:
   forward_client_headers_to_llm_api: true
 
 litellm_settings:
-  drop_params: true
\ No newline at end of file
+  drop_params: true
+  modify_params: true