diff --git a/package/bmon/Config.in b/package/bmon/Config.in
index 9692118005..61d72f0b45 100644
--- a/package/bmon/Config.in
+++ b/package/bmon/Config.in
@@ -1,6 +1,7 @@
 config BR2_PACKAGE_BMON
 	bool "bmon"
 	depends on BR2_INET_IPV6
+	depends on BR2_USE_MMU # fork()
 	help
 	  Linux bandwidth monitor