diff --git a/kernel/Kconfig b/kernel/Kconfig
index 7c1f93a3..ae663e42 100644
--- a/kernel/Kconfig
+++ b/kernel/Kconfig
@@ -2,5 +2,6 @@ config KSU
 	tristate "KernelSU module"
 	default y
 	depends on KPROBES
+	depends on OVERLAY_FS
 	help
 	This is the KSU privilege driver for android system.