diff --git a/src/packet.c b/src/packet.c
index ec4a7203..6d0f6049 100644
--- a/src/packet.c
+++ b/src/packet.c
@@ -1926,7 +1926,7 @@ ssh_packet_set_newkeys(ssh_session session,
         memcpy(session->next_crypto->session_id,
                session->current_crypto->session_id,
                session_id_len);
-	session->next_crypto->session_id_len = session_id_len;
+        session->next_crypto->session_id_len = session_id_len;
 
         return SSH_OK;
     }