diff --git a/pkgs/tools/backup/restic/default.nix b/pkgs/tools/backup/restic/default.nix
index feb7b4802630b49..453e31f5d13ab1c 100644
--- a/pkgs/tools/backup/restic/default.nix
+++ b/pkgs/tools/backup/restic/default.nix
@@ -27,7 +27,7 @@ buildGoPackage rec {
     cp restic $bin/bin/
     $bin/bin/restic generate \
       --bash-completion $bin/etc/bash_completion.d/restic.sh \
-      --zsh-completion $bin/share/zsh/vendor-completions/restic.sh \
+      --zsh-completion $bin/share/zsh/vendor-completions/_restic \
       --man $bin/share/man/man1
   '';