diff --git a/portable/ThirdParty/XCC/Xtensa/port.c b/portable/ThirdParty/XCC/Xtensa/port.c
index 141263929..8fe15252c 100644
--- a/portable/ThirdParty/XCC/Xtensa/port.c
+++ b/portable/ThirdParty/XCC/Xtensa/port.c
@@ -221,8 +221,9 @@ BaseType_t xPortSysTickHandler( void )
                                     uint32_t ulStackDepth )
     {
         #if XCHAL_CP_NUM > 0
-            xMPUSettings->coproc_area = ( StackType_t * ) ( ( ( ( uint32_t ) ( pxBottomOfStack + ulStackDepth - 1 ) ) - XT_CP_SIZE ) & ~0xf );
-
+            xMPUSettings->coproc_area = ( StackType_t * ) ( ( uint32_t ) ( pxBottomOfStack + ulStackDepth - 1 ));
+            xMPUSettings->coproc_area = ( StackType_t * ) ( ( ( portPOINTER_SIZE_TYPE ) xMPUSettings->coproc_area ) & ( ~( ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) ) );
+            xMPUSettings->coproc_area = ( Stacktype_t * ) ( ( ( uint32_t ) xMPUSettings->coproc_area - XT_CP_SIZE ) & ~0xf );
 
             /* NOTE: we cannot initialize the coprocessor save area here because FreeRTOS is going to
              * clear the stack area after we return. This is done in pxPortInitialiseStack().