diff --git a/package/openssh/Config.in b/package/openssh/Config.in
index 0c3d993a68..78cc615c03 100644
--- a/package/openssh/Config.in
+++ b/package/openssh/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_OPENSSH
 	bool "openssh"
+	depends on BR2_USE_MMU # fork()
 	select BR2_PACKAGE_OPENSSL
 	select BR2_PACKAGE_ZLIB
 	help