diff --git a/tests/bluetooth/tester/src/gap.c b/tests/bluetooth/tester/src/gap.c
index ad00edad856..7af4ff662ad 100644
--- a/tests/bluetooth/tester/src/gap.c
+++ b/tests/bluetooth/tester/src/gap.c
@@ -927,7 +927,7 @@ static void conn_param_update(const uint8_t *data, uint16_t len)
 	status = err < 0 ? BTP_STATUS_FAILED : BTP_STATUS_SUCCESS;
 
 rsp:
-	tester_rsp(BTP_SERVICE_ID_GAP, GAP_PASSKEY_ENTRY, CONTROLLER_INDEX,
+	tester_rsp(BTP_SERVICE_ID_GAP, GAP_CONN_PARAM_UPDATE, CONTROLLER_INDEX,
 		   status);
 }