diff --git a/package/thttpd/Config.in b/package/thttpd/Config.in
index 172a2d69e7..d359785435 100644
--- a/package/thttpd/Config.in
+++ b/package/thttpd/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_THTTPD
 	bool "thttpd"
+	depends on BR2_USE_MMU # fork()
 	help
 	  thttpd is a simple, small, portable, fast, and secure HTTP server