diff --git a/share/completions/builtin.fish b/share/completions/builtin.fish
index 52f48d4f9..9a24eb3b5 100644
--- a/share/completions/builtin.fish
+++ b/share/completions/builtin.fish
@@ -2,4 +2,4 @@
 complete -c builtin -s h -l help -d 'Display help and exit'
 complete -c builtin -s n -l names -d 'Print names of all existing builtins'
 complete -c builtin -xa '(builtin -n)'
-complete -c builtin -n '__fish_use_subcommand' -xa '__fish_complete_subcommand'
+complete -c builtin -n '__fish_use_subcommand' -xa '(__fish_complete_subcommand)'