diff --git a/package/x11r7/xapp_luit/Config.in b/package/x11r7/xapp_luit/Config.in
index aec83a068..3e314de18 100644
--- a/package/x11r7/xapp_luit/Config.in
+++ b/package/x11r7/xapp_luit/Config.in
@@ -2,5 +2,6 @@ config BR2_PACKAGE_XAPP_LUIT
 	bool "luit"
 	select BR2_PACKAGE_XLIB_LIBX11
 	select BR2_PACKAGE_XLIB_LIBFONTENC
+	depends on BR2_USE_MMU # fork()
 	help
 	  Locale and ISO 2022 support for Unicode terminals