diff --git a/package/dash/Config.in b/package/dash/Config.in
index 20970aa03b..e06087e117 100644
--- a/package/dash/Config.in
+++ b/package/dash/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_DASH
 	bool "dash"
+	depends on BR2_USE_MMU # fork()
 	help
 	  The Debian/Linux port of the NetBSD version of
 	  ash (the Almquist SHell).