diff --git a/lighter/signer_client.py b/lighter/signer_client.py
index 0aac7e5..06bb98d 100644
--- a/lighter/signer_client.py
+++ b/lighter/signer_client.py
@@ -394,7 +394,7 @@ def create_auth_token_with_expiry(self, deadline: int = DEFAULT_10_MIN_AUTH_EXPI
         if timestamp is None:
             timestamp = int(time.time())
 
-        result = self.signer.CreateAuthToken(deadline)
+        result = self.signer.CreateAuthToken(deadline+timestamp)
 
         auth = result.str.decode("utf-8") if result.str else None
         error = result.err.decode("utf-8") if result.err else None