diff --git a/package/coreutils/Config.in b/package/coreutils/Config.in
index bfd6f26..c416ab1 100644
--- a/package/coreutils/Config.in
+++ b/package/coreutils/Config.in
@@ -1,6 +1,7 @@
 config BR2_PACKAGE_COREUTILS
 	bool "coreutils"
 	depends on BR2_USE_WCHAR
+	depends on BR2_USE_MMU # fork()
 	help
 	  All of the basic file/text/shell utilities.  These are the
 	  core utilities which are expected to exist on every system.