diff --git a/share/completions/udevil.fish b/share/completions/udevil.fish
new file mode 100644
index 000000000..b06d5b648
--- /dev/null
+++ b/share/completions/udevil.fish
@@ -0,0 +1,10 @@
+set -l __fish_udevil_commands mount unmount umount clean monitor help info
+complete -c udevil -f
+complete -c udevil -n "not __fish_seen_subcommand_from $__fish_udevil_commands" -a "$__fish_udevil_commands"
+complete -c udevil -n "not __fish_seen_subcommand_from $__fish_udevil_commands" -l verbose -l quiet
+complete -c udevil -n "__fish_seen_subcommand_from mount" -a "(__fish_complete_blockdevice)" -F
+complete -c udevil -n "__fish_seen_subcommand_from mount" -x -o t -a "(__fish_print_filesystems)"
+complete -c udevil -n "__fish_seen_subcommand_from mount" -x -o o -a "(__fish_complete_mount_opts)"
+complete -c udevil -n "__fish_seen_subcommand_from umount unmount" -a "(__fish_print_mounted)"
+complete -c udevil -n "__fish_seen_subcommand_from umount unmount" -o l -o f
+complete -c udevil -n "__fish_seen_subcommand_from info" -a "(__fish_complete_blockdevice)"