diff --git a/package/seatd/Config.in b/package/seatd/Config.in
index 2c2efcb04e..5473b237ce 100644
--- a/package/seatd/Config.in
+++ b/package/seatd/Config.in
@@ -16,6 +16,7 @@ config BR2_PACKAGE_SEATD_BUILTIN
 
 config BR2_PACKAGE_SEATD_DAEMON
 	bool "seatd daemon"
+	depends on BR2_USE_MMU # fork()
 	help
 	  Build the seatd daemon and support for it inside libseat.