diff --git a/core/arch/arm/plat-rz/v2h/rzv2h_conf.mk b/core/arch/arm/plat-rz/v2h/rzv2h_conf.mk
index a91884a0c..771f555ba 100644
--- a/core/arch/arm/plat-rz/v2h/rzv2h_conf.mk
+++ b/core/arch/arm/plat-rz/v2h/rzv2h_conf.mk
@@ -14,6 +14,7 @@ $(call force,CFG_RZ_HUK,y)
 $(call force,CFG_RZ_XSPI,y)
 
 CFG_TEE_CORE_NB_CORE ?= 4
+CFG_NUM_THREADS ?= 4
 
 CFG_TZDRAM_START ?= 0x44100000
 CFG_TZDRAM_SIZE ?= 0x03D00000
diff --git a/core/arch/arm/plat-rz/v2h/rzv2h_config.h b/core/arch/arm/plat-rz/v2h/rzv2h_config.h
index 482d810d8..b41a26b9d 100644
--- a/core/arch/arm/plat-rz/v2h/rzv2h_config.h
+++ b/core/arch/arm/plat-rz/v2h/rzv2h_config.h
@@ -34,7 +34,7 @@
 #if defined(PLATFORM_FLAVOR_v2h_evk_1)
 /* DDR 8Gbyte x1 */
 #define NSEC_DDR_0_BASE		0x47E00000U
-#define NSEC_DDR_0_SIZE		0x1F8000000U
+#define NSEC_DDR_0_SIZE		0x1F8200000U
 
 /* DDR 8Gbyte x1 */
 #define NSEC_DDR_1_BASE		0x240000000U