diff --git a/maintainers/flake-module.nix b/maintainers/flake-module.nix
index 86248c883..cd62b6135 100644
--- a/maintainers/flake-module.nix
+++ b/maintainers/flake-module.nix
@@ -106,7 +106,6 @@
             enable = true;
             excludes = [
               # We haven't linted these files yet
-              ''^misc/bash/completion\.sh$''
               ''^misc/fish/completion\.fish$''
               ''^misc/zsh/completion\.zsh$''
               ''^scripts/create-darwin-volume\.sh$''
diff --git a/misc/bash/completion.sh b/misc/bash/completion.sh
index c4ba96cd3..96f98d6c1 100644
--- a/misc/bash/completion.sh
+++ b/misc/bash/completion.sh
@@ -1,3 +1,4 @@
+# shellcheck shell=bash
 function _complete_nix {
     local -a words
     local cword cur