diff --git a/include/plat/arm/common/arm_def.h b/include/plat/arm/common/arm_def.h
index 088d59d..d02a405 100644
--- a/include/plat/arm/common/arm_def.h
+++ b/include/plat/arm/common/arm_def.h
@@ -144,8 +144,8 @@
 #define ARM_NS_DRAM1_END		(ARM_NS_DRAM1_BASE +		\
 					 ARM_NS_DRAM1_SIZE - 1)
 
-#define ARM_DRAM1_BASE			UL(0x80000000)
-#define ARM_DRAM1_SIZE			UL(0x80000000)
+#define ARM_DRAM1_BASE			ULL(0x80000000)
+#define ARM_DRAM1_SIZE			ULL(0x80000000)
 #define ARM_DRAM1_END			(ARM_DRAM1_BASE +		\
 					 ARM_DRAM1_SIZE - 1)