diff --git a/share/completions/clean.fish b/share/completions/clean.fish
new file mode 100644
index 000000000..576470445
--- /dev/null
+++ b/share/completions/clean.fish
@@ -0,0 +1 @@
+complete --command clean --no-files --arguments 'all\t"Set every sector on the disk to zero"'
\ No newline at end of file