diff --git a/package/lighttpd/Config.in b/package/lighttpd/Config.in
index cb759ff465..b84e6ea6a8 100644
--- a/package/lighttpd/Config.in
+++ b/package/lighttpd/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_LIGHTTPD
 	bool "lighttpd"
+	depends on BR2_USE_MMU # fork()
 	help
 	  lighttpd a secure, fast, compliant and very flexible web-server
 	  which has been optimized for high-performance environments. It