diff --git a/setup.py b/setup.py
index 0beae23..a00a6b2 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 
 setup(
     name="hugchat",
-    version="0.4.8",
+    version="0.4.9",
     description="A huggingchat python api.",
     long_description=open("README.md", "rt", encoding="utf-8").read(),
     long_description_content_type="text/markdown",
diff --git a/src/hugchat/hugchat.py b/src/hugchat/hugchat.py
index 354aa56..e487e9e 100644
--- a/src/hugchat/hugchat.py
+++ b/src/hugchat/hugchat.py
@@ -355,7 +355,7 @@ def set_share_conversations(self, val: bool = True):
 
         r = self.session.post(
             self.hf_base_url + "/chat/settings",
-            headers={"Referer": "https://huggingface.co/chat"},
+            headers={"Referer": "https://huggingface.co/chat", "Origin":"https://huggingface.co"},
             cookies=self.get_cookies(),
             allow_redirects=True,
             files=settings,
@@ -741,6 +741,8 @@ def _stream_query(
                         "Model is overloaded, please try again later or switch to another model."
                     )
                 logging.debug(resp.headers)
+                if "Conversation not found" in str(res):
+                    raise exceptions.InvalidConversationIDError("Conversation id invalid")
                 raise exceptions.ChatError(f"Failed to parse response: {res}")
             if break_flag:
                 break