diff --git i/components/ble/nrf_ble_qwr/nrf_ble_qwr.h w/components/ble/nrf_ble_qwr/nrf_ble_qwr.h
index 9e2699bd..c9a28e1e 100644
--- i/components/ble/nrf_ble_qwr/nrf_ble_qwr.h
+++ w/components/ble/nrf_ble_qwr/nrf_ble_qwr.h
@@ -51,12 +51,14 @@
  *           @ref nrf_ble_qwr_on_ble_evt().
  */
 
+#ifndef NRF_BLE_QUEUED_WRITES_H__
+#define NRF_BLE_QUEUED_WRITES_H__
+
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#ifndef NRF_BLE_QUEUED_WRITES_H__
-#define NRF_BLE_QUEUED_WRITES_H__
 
 #include <stdint.h>
 #include "nordic_common.h"