diff --git a/FreeRTOS/Demo/CORTEX_MPU_Simulator_Keil_GCC/GCC_Specific/startup_ARMCM4.S b/FreeRTOS/Demo/CORTEX_MPU_Simulator_Keil_GCC/GCC_Specific/startup_ARMCM4.S
index fb2af495a..980b4287b 100644
--- a/FreeRTOS/Demo/CORTEX_MPU_Simulator_Keil_GCC/GCC_Specific/startup_ARMCM4.S
+++ b/FreeRTOS/Demo/CORTEX_MPU_Simulator_Keil_GCC/GCC_Specific/startup_ARMCM4.S
@@ -39,7 +39,7 @@
 	.align	4
 	.globl	__isr_vector
 __isr_vector:
-	.long	__SRAM_segment_end__ - 4  /* Top of Stack at top of RAM*/
+	.long	__SRAM_segment_end__ - 8  /* Top of Stack at top of RAM*/
 	.long	Reset_Handler         /* Reset Handler */
 	.long	NMI_Handler           /* NMI Handler */
 	.long	HardFault_Handler     /* Hard Fault Handler */