diff --git a/package/bonnie/Config.in b/package/bonnie/Config.in
index 9dda4b6cd1..91b1e96b5a 100644
--- a/package/bonnie/Config.in
+++ b/package/bonnie/Config.in
@@ -1,6 +1,7 @@
 config BR2_PACKAGE_BONNIE
 	bool "bonnie++"
 	depends on BR2_INSTALL_LIBSTDCPP
+	depends on BR2_USE_MMU # fork()
 	help
 	  Filesystem tester