diff --git a/portable/Common/mpu_wrappers.c b/portable/Common/mpu_wrappers.c
index ac8251436..e881681e0 100644
--- a/portable/Common/mpu_wrappers.c
+++ b/portable/Common/mpu_wrappers.c
@@ -1821,7 +1821,7 @@
 
     #if ( configUSE_TIMERS == 1 )
         void MPU_vTimerSetReloadMode( TimerHandle_t xTimer,
-                                      const UBaseType_t uxAutoReload ) /* FREERTOS_SYSTEM_CALL */
+                                      const BaseType_t uxAutoReload ) /* FREERTOS_SYSTEM_CALL */
         {
             if( portIS_PRIVILEGED() == pdFALSE )
             {