diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 7529e72dfa9..9c3b80eadc8 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -13,7 +13,7 @@ repos:
     hooks:
       - id: shfmt
         types: [text]
-        files: ^(bash_completion(\.d/[^/]+\.bash)?|completions/.+|test/(config/bashrc|fallback/update-fallback-links|runLint|update-test-cmd-list)|.+\.sh(\.in)?)$
+        files: ^(bash_completion(\.d/[^/]+\.bash)?|completions/.+|test/(config/bashrc|fixtures/.+/bin/.+|fallback/update-fallback-links|runLint|update-test-cmd-list)|.+\.sh(\.in)?)$
         exclude: ^completions/(\.gitignore|Makefile.*)$
 
   - repo: https://github.com/shellcheck-py/shellcheck-py
@@ -22,7 +22,7 @@ repos:
       - id: shellcheck
         args: [-f, gcc]
         types: [text]
-        files: ^(bash_completion(\.d/[^/]+\.bash)?|completions/.+|test/(config/bashrc|fallback/update-fallback-links|runLint|update-test-cmd-list)|.+\.sh(\.in)?)$
+        files: ^(bash_completion(\.d/[^/]+\.bash)?|completions/.+|test/(config/bashrc|fixtures/.+/bin/.+|fallback/update-fallback-links|runLint|update-test-cmd-list)|.+\.sh(\.in)?)$
         exclude: ^completions/(\.gitignore|Makefile.*)$
         require_serial: false  # We disable SC1090 anyway, so parallel is ok
 
diff --git a/test/fixtures/mount/bin/showmount b/test/fixtures/mount/bin/showmount
index 2751c4bae26..c79ee06010e 100755
--- a/test/fixtures/mount/bin/showmount
+++ b/test/fixtures/mount/bin/showmount
@@ -1,6 +1,6 @@
-#!/bin/sh
+#!/bin/bash
 
-if [ "$1" = -e ] && [ "$2" = mocksrv ]; then
+if [[ $1 == -e && $2 == "mocksrv" ]]; then
     echo "Header line"
     echo "/test/path"
     echo "/test/path2"