diff --git a/infra/packet_manager/packet_manager.c b/infra/packet_manager/packet_manager.c
index baf165b..efc14a7 100644
--- a/infra/packet_manager/packet_manager.c
+++ b/infra/packet_manager/packet_manager.c
@@ -80,7 +80,7 @@ static struct packet_manager_config *packet_manager_config_new(const char *toml_
  * packet manager schema
  ******************************************************************************/
 
-static void on_packet_stage_dispatch(int topic_id, const void *msg, on_msg_cb_func *cb, void *cb_arg, void *dispatch_arg)
+static void on_packet_stage_dispatch(int topic_id, void *msg, on_msg_cb_func *cb, void *cb_arg, void *dispatch_arg)
 {
     struct packet_manager_schema *schema = (struct packet_manager_schema *)dispatch_arg;
     struct packet *pkt = (struct packet *)msg;