diff --git a/configs/jethub_j100_defconfig b/configs/jethub_j100_defconfig
index d0070bb..342e7e0 100644
--- a/configs/jethub_j100_defconfig
+++ b/configs/jethub_j100_defconfig
@@ -13,6 +13,8 @@
 CONFIG_IDENT_STRING=" jethubj100"
 CONFIG_SYS_LOAD_ADDR=0x01000000
 CONFIG_DEBUG_UART=y
+CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
+CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x20000000
 CONFIG_REMAKE_ELF=y
 CONFIG_OF_BOARD_SETUP=y
 # CONFIG_DISPLAY_CPUINFO is not set