diff --git a/test/gatt_client/mock.c b/test/gatt_client/mock.c
index 002c5d0f3..e18476e83 100644
--- a/test/gatt_client/mock.c
+++ b/test/gatt_client/mock.c
@@ -116,7 +116,7 @@ int l2cap_send_prepared_connectionless(uint16_t handle, uint16_t cid, uint16_t l
 int  sm_cmac_ready(void){
 	return 1;
 }
-void sm_cmac_start(sm_key_t k, uint16_t message_len, uint8_t * message, uint32_t sign_counter, void (*done_handler)(uint8_t hash[8])){
+void sm_cmac_start(sm_key_t k, uint8_t opcode, uint16_t attribute_handle, uint16_t message_len, uint8_t * message, uint32_t sign_counter, void (*done_handler)(uint8_t hash[8])){
 	//sm_notify_client(SM_IDENTITY_RESOLVING_SUCCEEDED, sm_central_device_addr_type, sm_central_device_address, 0, sm_central_device_matched);      
 }
 int sm_le_device_index(uint16_t handle ){