diff --git a/core/arch/arm/plat-hikey/conf.mk b/core/arch/arm/plat-hikey/conf.mk
index 1fe28b99eaa..7d7a16c2615 100644
--- a/core/arch/arm/plat-hikey/conf.mk
+++ b/core/arch/arm/plat-hikey/conf.mk
@@ -62,3 +62,5 @@ CFG_TEE_RAM_VA_SIZE ?= 0x00200000
 CFG_IN_TREE_EARLY_TAS += avb/023f8f1a-292a-432b-8fc4-de8471358067
 
 CFG_EMBED_DTB_SOURCE_FILE ?= hikey.dts
+
+CFG_CORE_HEAP_SIZE ?= (65536 + 1024)