diff --git a/litellm/router.py b/litellm/router.py
index ce497e97bf3..940e3c90df9 100644
--- a/litellm/router.py
+++ b/litellm/router.py
@@ -252,7 +252,7 @@ class Router:
         temperature: Optional[float] = None,
         top_p: Optional[float] = None,
         n: Optional[int] = None,
-        stream: Optional[bool] = None,
+        stream: Optional[bool] = False,
         stop=None,
         max_tokens: Optional[float] = None,
         presence_penalty: Optional[float] = None,
@@ -388,7 +388,7 @@ class Router:
         temperature: Optional[float] = None,
         top_p: Optional[float] = None,
         n: Optional[int] = None,
-        stream: Optional[bool] = None,
+        stream: Optional[bool] = False,
         stop=None,
         max_tokens: Optional[float] = None,
         presence_penalty: Optional[float] = None,