diff --git a/share/completions/brightnessctl.fish b/share/completions/brightnessctl.fish
new file mode 100644
index 000000000..57d7a0b68
--- /dev/null
+++ b/share/completions/brightnessctl.fish
@@ -0,0 +1,3 @@
+complete -f brightnessctl
+complete -c brightnessctl -n "test (__fish_number_of_cmd_args_wo_opts) = 1" \
+    -xa "info get set max"