diff --git a/share/functions/__fish_complete_subcommand_root.fish b/share/functions/__fish_complete_subcommand_root.fish
index f4df8d9d3..822820fdb 100644
--- a/share/functions/__fish_complete_subcommand_root.fish
+++ b/share/functions/__fish_complete_subcommand_root.fish
@@ -1,6 +1,6 @@
 
 
 function __fish_complete_subcommand_root -d "Run the __fish_complete_subcommand function using a PATH containing /sbin and /usr/sbin"
-	set -lx PATH /sbin /usr/sbin $PATH
+	set -lx PATH /sbin /usr/sbin $PATH ^/dev/null
 	__fish_complete_subcommand $argv
 end