diff --git a/misc_etc_files/autofs.conf b/misc_etc_files/autofs.conf
index 29a7ab9b..59efacd9 100644
--- a/misc_etc_files/autofs.conf
+++ b/misc_etc_files/autofs.conf
@@ -5,6 +5,7 @@
 timeout = 300
 negative_timeout = 1
 browse_mode = no
+mount_nfs_default_protocol = 4
 
 [ amd ]