diff --git a/litellm/main.py b/litellm/main.py
index f9640855643..60c889ab1d0 100644
--- a/litellm/main.py
+++ b/litellm/main.py
@@ -2204,7 +2204,7 @@ def completion(  # type: ignore # noqa: PLR0915
             api_base = (
                 api_base
                 or litellm.api_base
-                or get_secret("A2A_API_BASE")
+                or get_secret_str("A2A_API_BASE")
             )
 
             if api_base is None: