diff --git a/portable/Common/mpu_wrappers_v2.c b/portable/Common/mpu_wrappers_v2.c
index 3e25757e241..4e296430fe5 100644
--- a/portable/Common/mpu_wrappers_v2.c
+++ b/portable/Common/mpu_wrappers_v2.c
@@ -245,7 +245,7 @@
 /**
  * @brief Kernel object pool.
  */
-    PRIVILEGED_DATA static KernelObject_t xKernelObjectPool[ configPROTECTED_KERNEL_OBJECT_POOL_SIZE ] = { NULL };
+    PRIVILEGED_DATA static KernelObject_t xKernelObjectPool[ configPROTECTED_KERNEL_OBJECT_POOL_SIZE ] = { 0 };
 /*-----------------------------------------------------------*/
 
     static int32_t MPU_GetFreeIndexInKernelObjectPool( void ) /* PRIVILEGED_FUNCTION */