diff --git a/package/vsftpd/Config.in b/package/vsftpd/Config.in
index 8414c88f72..3d4cff1c07 100644
--- a/package/vsftpd/Config.in
+++ b/package/vsftpd/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_VSFTPD
 	bool "vsftpd"
+	depends on BR2_TOOLCHAIN_HAS_THREADS # fork()
 	help
 	  vsftpd is an ftp daemon written with security in mind.
 	  http://vsftpd.beasts.org/