diff --git a/src/cohere/v2/client.py b/src/cohere/v2/client.py
index a6abbebb8..a4e465e79 100644
--- a/src/cohere/v2/client.py
+++ b/src/cohere/v2/client.py
@@ -259,6 +259,7 @@ def chat_stream(
                 "p": p,
                 "return_prompt": return_prompt,
                 "logprobs": logprobs,
+                "stream": True,
             },
             request_options=request_options,
             omit=OMIT,