diff --git a/configs/sandbox_flattree_defconfig b/configs/sandbox_flattree_defconfig
index 21f9047..05ce9bd 100644
--- a/configs/sandbox_flattree_defconfig
+++ b/configs/sandbox_flattree_defconfig
@@ -82,6 +82,7 @@
 CONFIG_DM_DEMO_SHAPE=y
 CONFIG_BOARD=y
 CONFIG_BOARD_SANDBOX=y
+CONFIG_GPIO_HOG=y
 CONFIG_PM8916_GPIO=y
 CONFIG_SANDBOX_GPIO=y
 CONFIG_I2C_CROS_EC_TUNNEL=y