diff --git a/package/hiawatha/Config.in b/package/hiawatha/Config.in
index 431a9fa1b0..ac0aa102f1 100644
--- a/package/hiawatha/Config.in
+++ b/package/hiawatha/Config.in
@@ -1,5 +1,7 @@
 config BR2_PACKAGE_HIAWATHA
 	bool "hiawatha"
+	# needs fork()
+	depends on BR2_USE_MMU
 	help
 	  Hiawatha is a webserver for Unix and has been built with
 	  security in mind. This resulted in a highly secure