diff --git a/kernel/Kconfig b/kernel/Kconfig
index 5e0cf77b..702615f8 100644
--- a/kernel/Kconfig
+++ b/kernel/Kconfig
@@ -4,6 +4,7 @@
 
 config MARS
 	tristate "block storage replication MARS"
+	depends on m
 	depends on BLOCK && PROC_SYSCTL && HIGH_RES_TIMERS
 	default n
 	---help---