diff --git a/soc/arm/xilinx_zynqmp/arm_mpu_regions.c b/soc/arm/xilinx_zynqmp/arm_mpu_regions.c
index 7e0b6e3cd63..f10ba5d94e0 100644
--- a/soc/arm/xilinx_zynqmp/arm_mpu_regions.c
+++ b/soc/arm/xilinx_zynqmp/arm_mpu_regions.c
@@ -44,7 +44,7 @@ static const struct arm_mpu_region mpu_regions[] = {
 
 	MPU_REGION_ENTRY("SRAM_PRIV",
 			0x00000000,
-			REGION_64M,
+			REGION_2G,
 			MPUTYPE_PRIV_WBWACACHE),
 
 	MPU_REGION_ENTRY("SRAM",