diff --git a/src/l2cap.c b/src/l2cap.c
index 760e2f1f2..ea6f68e9e 100644
--- a/src/l2cap.c
+++ b/src/l2cap.c
@@ -985,7 +985,7 @@ static int l2cap_security_level_0_allowed_for_PSM(uint16_t psm){
     return (psm == BLUETOOTH_PROTOCOL_SDP) && (!require_security_level2_for_outgoing_sdp);
 }
 
-static int l2cap_send_signaling_packet(hci_con_handle_t handle, L2CAP_SIGNALING_COMMANDS cmd, uint8_t identifier, ...){
+static int l2cap_send_signaling_packet(hci_con_handle_t handle, L2CAP_SIGNALING_COMMANDS cmd, int identifier, ...){
     if (!hci_can_send_acl_packet_now(handle)){
         log_info("l2cap_send_signaling_packet, cannot send");
         return BTSTACK_ACL_BUFFERS_FULL;
@@ -1095,7 +1095,7 @@ static inline void channelStateVarClearFlag(l2cap_channel_t *channel, L2CAP_CHAN
 
 
 #ifdef ENABLE_BLE
-static int l2cap_send_le_signaling_packet(hci_con_handle_t handle, L2CAP_SIGNALING_COMMANDS cmd, uint8_t identifier, ...){
+static int l2cap_send_le_signaling_packet(hci_con_handle_t handle, L2CAP_SIGNALING_COMMANDS cmd, int identifier, ...){
 
     if (!hci_can_send_acl_packet_now(handle)){
         log_info("l2cap_send_le_signaling_packet, cannot send");