diff --git a/package/sysvinit/Config.in b/package/sysvinit/Config.in
index ab67ed60f7..94f1612375 100644
--- a/package/sysvinit/Config.in
+++ b/package/sysvinit/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_SYSVINIT
 	bool "sysvinit"
+	depends on BR2_USE_MMU # fork()
 	depends on BR2_INIT_SYSV
 	depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
 	help
diff --git a/system/Config.in b/system/Config.in
index 585570713b..353421a9cf 100644
--- a/system/Config.in
+++ b/system/Config.in
@@ -106,6 +106,7 @@ config BR2_INIT_BUSYBOX
 
 config BR2_INIT_SYSV
 	bool "systemV"
+	depends on BR2_USE_MMU # sysvinit
 	select BR2_PACKAGE_BUSYBOX_SHOW_OTHERS # sysvinit
 	select BR2_PACKAGE_INITSCRIPTS
 	select BR2_PACKAGE_SYSVINIT