diff --git a/plat/arm/common/arm_tzc_dmc500.c b/plat/arm/common/arm_tzc_dmc500.c
index 21ca4e8..8e41391 100644
--- a/plat/arm/common/arm_tzc_dmc500.c
+++ b/plat/arm/common/arm_tzc_dmc500.c
@@ -33,7 +33,7 @@
 
 	/* Region 1 set to cover Secure part of DRAM */
 	tzc_dmc500_configure_region(1, ARM_AP_TZC_DRAM1_BASE,
-		ARM_AP_TZC_DRAM1_END,
+		ARM_EL3_TZC_DRAM1_END,
 		TZC_REGION_S_RDWR,
 		0);