diff --git a/bsps/arm/include/mpu_armv8.h b/bsps/arm/include/mpu_armv8.h
index 03a04330fd..312d6c15e6 100644
--- a/bsps/arm/include/mpu_armv8.h
+++ b/bsps/arm/include/mpu_armv8.h
@@ -1,3 +1,6 @@
+/*
+ * The file was modified by RTEMS contributors.
+ */
 /******************************************************************************
  * @file     mpu_armv8.h
  * @brief    CMSIS MPU API for Armv8-M and Armv8.1-M MPU
@@ -190,7 +193,11 @@ typedef struct {
   \brief  Read MPU Type Register
   \return Number of MPU regions
 */
+#ifndef __rtems__
 __STATIC_INLINE uint32_t ARM_MPU_TYPE()
+#else /* __rtems__ */
+__STATIC_INLINE uint32_t ARM_MPU_TYPE(void)
+#endif /* __rtems__ */
 {
   return ((MPU->TYPE) >> 8);
 }