diff --git a/oni-bats.el b/oni-bats.el
index f9d69d5..c4b49c1 100644
--- a/oni-bats.el
+++ b/oni-bats.el
@@ -4,7 +4,7 @@
 
 ;; Author: Tom Willemse <tom@ryuslash.org>
 ;; Keywords: local
-;; Version: 2020.0108.154614
+;; Version: 2020.0407.213908
 ;; Package-Requires: (bats-mode oni-sh)
 
 ;; This program is free software; you can redistribute it and/or modify
@@ -30,6 +30,13 @@
 ;;; Code:
 
 (require 'autoinsert)
+(require 'oni-sh)
+
+(defun oni-bats-disable-shfmt-on-save-mode ()
+  "Disable ‘shfmt-on-save-mode’."
+  (shfmt-on-save-mode -1))
+
+(add-hook 'bats-mode-hook #'oni-bats-disable-shfmt-on-save-mode)
 
 ;;;###autoload
 (with-eval-after-load 'autoinsert
diff --git a/test/oni-bats-test.el b/test/oni-bats-test.el
index 7414dc4..3e32460 100644
--- a/test/oni-bats-test.el
+++ b/test/oni-bats-test.el
@@ -1,3 +1,5 @@
+(require 'oni-bats)
+
 (ert-deftest oni-bats-test-auto-insert ()
   "Test that ‘auto-insert’ inserts the proper interpreter."
   (with-temp-buffer
@@ -5,3 +7,9 @@
     (let ((auto-insert-query nil))
       (auto-insert))
     (should (string= "#!/usr/bin/env bats\n\n" (buffer-string)))))
+
+(ert-deftest oni-bats-has-shfmt-on-save-mode-disabled ()
+  "Test that ‘shfmt-on-save-mode’ is disabled in a ‘bats-mode’ buffer."
+  (with-temp-buffer
+    (bats-mode)
+    (should-not shfmt-on-save-mode)))