diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 404e4a3..be46cae 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -135,6 +135,7 @@
 CONFIG_NETCONSOLE=y
 CONFIG_IP_DEFRAG=y
 CONFIG_BOOTP_SERVERIP=y
+CONFIG_IPV6=y
 CONFIG_DM_DMA=y
 CONFIG_DEVRES=y
 CONFIG_DEBUG_DEVRES=y
@@ -333,4 +334,3 @@
 CONFIG_UNIT_TEST=y
 CONFIG_UT_TIME=y
 CONFIG_UT_DM=y
-CONFIG_IPV6=y