diff --git a/package/nfs-utils/Config.in b/package/nfs-utils/Config.in
index 8f61f2b51..6ba2f704b 100644
--- a/package/nfs-utils/Config.in
+++ b/package/nfs-utils/Config.in
@@ -3,6 +3,7 @@ config BR2_PACKAGE_NFS_UTILS
 	depends on BR2_TOOLCHAIN_HAS_NATIVE_RPC || BR2_TOOLCHAIN_HAS_THREADS # libtirpc
 	select BR2_PACKAGE_LIBTIRPC if !BR2_TOOLCHAIN_HAS_NATIVE_RPC
 	depends on BR2_LARGEFILE
+	depends on BR2_USE_MMU # fork()
 	help
 	  The NFS Linux kernel server.
 	  Warning: We do not force largefile support on here on purpose.