diff --git a/Kconfig b/Kconfig
index 2fd434e6..9a4753c5 100644
--- a/Kconfig
+++ b/Kconfig
@@ -4,7 +4,7 @@
 
 config MARS
 	tristate "storage system MARS (EXPERIMENTAL)"
-	depends on BLOCK && HIGH_RES_TIMERS
+	depends on BLOCK && PROC_SYSCTL && HIGH_RES_TIMERS
 	default n
 	---help---
 	Experimental storage System. Only compile as a module!