diff --git a/package/dialog/Config.in b/package/dialog/Config.in
index db5197fb7a..b3efd8d85b 100644
--- a/package/dialog/Config.in
+++ b/package/dialog/Config.in
@@ -1,6 +1,7 @@
 config BR2_PACKAGE_DIALOG
 	bool "dialog"
 	depends on BR2_TOOLCHAIN_HAS_THREADS # fork()
+	depends on BR2_USE_MMU # fork()
 	select BR2_PACKAGE_NCURSES
 	select BR2_PACKAGE_LIBICONV if !BR2_ENABLE_LOCALE
 	help