diff --git a/litellm/proxy/proxy_server.py b/litellm/proxy/proxy_server.py
index 931459c1386..76df4bbd1ee 100644
--- a/litellm/proxy/proxy_server.py
+++ b/litellm/proxy/proxy_server.py
@@ -8677,6 +8677,7 @@ async def get_config():  # noqa: PLR0915
                 elif _callback == "braintrust":
                     env_vars = [
                         "BRAINTRUST_API_KEY",
+                        "BRAINTRUST_API_BASE",
                     ]
                 elif _callback == "traceloop":
                     env_vars = ["TRACELOOP_API_KEY"]