diff --git a/router/router.py b/router/router.py
index 3b58c54..e06b8b3 100644
--- a/router/router.py
+++ b/router/router.py
@@ -308,10 +308,10 @@ def chat():
                     if raw: yield clean_unicode(raw)
             bcast()
             ctx_remaining = GPU_CONTEXT.get(model, 65536) - estimate_tokens(rd.get("messages",[]))
-            r = Response(stream_with_context(gen()), mimetype="text/event-stream")
-            r.headers["X-Context-Remaining"] = str(max(0, ctx_remaining))
-            r.headers["X-Context-Model"] = model
-            return r
+            sse_resp = Response(stream_with_context(gen()), mimetype="text/event-stream")
+            sse_resp.headers["X-Context-Remaining"] = str(max(0, ctx_remaining))
+            sse_resp.headers["X-Context-Model"] = model
+            return sse_resp
         data = clean_response(resp.json())
         for c in data.get("choices",[]):
             msg = c.get("message",{})