diff --git a/package/iptraf-ng/Config.in b/package/iptraf-ng/Config.in
index fa369b327c..64e19d2576 100644
--- a/package/iptraf-ng/Config.in
+++ b/package/iptraf-ng/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_IPTRAF_NG
 	bool "iptraf-ng"
+	depends on BR2_USE_MMU # fork()
 	select BR2_PACKAGE_NCURSES
 	select BR2_PACKAGE_NCURSES_TARGET_PANEL
 	depends on BR2_INET_IPV6
@@ -13,4 +14,5 @@ config BR2_PACKAGE_IPTRAF_NG
 	  IPTraf-ng is a fork of original IPTraf v3.0.0 (http://iptraf.seul.org).
 
 comment "iptraf-ng needs a toolchain w/ IPv6"
+	depends on BR2_USE_MMU
 	depends on !BR2_INET_IPV6