diff --git a/package/x11r7/xapp_xkbevd/Config.in b/package/x11r7/xapp_xkbevd/Config.in
index cf315655a..0cbb9e4f1 100644
--- a/package/x11r7/xapp_xkbevd/Config.in
+++ b/package/x11r7/xapp_xkbevd/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_XAPP_XKBEVD
 	bool "xkbevd"
+	depends on BR2_USE_MMU # fork()
 	select BR2_PACKAGE_XLIB_LIBXKBFILE
 	help
 	  XKB event daemon