diff --git a/lua/guard/events.lua b/lua/guard/events.lua
index 6b6b6cf0..cc2c839f 100644
--- a/lua/guard/events.lua
+++ b/lua/guard/events.lua
@@ -16,31 +16,31 @@ end
 
 local function create_lspattach_autocmd(fmt_on_save)
   api.nvim_create_autocmd('LspAttach', {
-      group = group,
-      callback = function(args)
-        local client = vim.lsp.get_client_by_id(args.data.client_id)
-        ---@diagnostic disable-next-line: need-check-nil
-        if not client.supports_method('textDocument/formatting') then
-          return
-        end
-        local ft = vim.bo[args.buf].filetype
-        if not(ft_handler[ft] and ft_handler[ft].format) then
-          ft_handler(ft):fmt('lsp')
-        end
+    group = group,
+    callback = function(args)
+      local client = vim.lsp.get_client_by_id(args.data.client_id)
+      ---@diagnostic disable-next-line: need-check-nil
+      if not client.supports_method('textDocument/formatting') then
+        return
+      end
+      local ft = vim.bo[args.buf].filetype
+      if not (ft_handler[ft] and ft_handler[ft].format) then
+        ft_handler(ft):fmt('lsp')
+      end
 
-        if
-          fmt_on_save
-          and #api.nvim_get_autocmds({
-              group = group,
-              event = 'FileType',
-              pattern = ft,
-            })
-            == 0
-        then
-          format.attach_to_buf(args.buf)
-        end
-      end,
-    })
+      if
+        fmt_on_save
+        and #api.nvim_get_autocmds({
+            group = group,
+            event = 'FileType',
+            pattern = ft,
+          })
+          == 0
+      then
+        format.attach_to_buf(args.buf)
+      end
+    end,
+  })
 end
 
 return {
diff --git a/lua/guard/filetype.lua b/lua/guard/filetype.lua
index 8174efcb..1b2d6ad7 100644
--- a/lua/guard/filetype.lua
+++ b/lua/guard/filetype.lua
@@ -44,7 +44,7 @@ local function box()
 
   function tbl:env(env)
     vim.validate({
-      env = { env, 'table' }
+      env = { env, 'table' },
     })
     if vim.tbl_count(env) == 0 then
       return self
@@ -57,7 +57,7 @@ local function box()
     tool.env = {}
     env = vim.tbl_extend('force', vim.uv.os_environ(), env or {})
     for k, v in pairs(env) do
-      tool.env[#tool.env + 1 ] = ('%s=%s'):format(k, tostring(v))
+      tool.env[#tool.env + 1] = ('%s=%s'):format(k, tostring(v))
     end
     return self
   end
diff --git a/lua/guard/tools/formatter.lua b/lua/guard/tools/formatter.lua
index fd50efc9..83cbfa55 100644
--- a/lua/guard/tools/formatter.lua
+++ b/lua/guard/tools/formatter.lua
@@ -27,7 +27,7 @@ M['clang-format'] = {
 M.djhtml = {
   cmd = 'djhtml',
   args = { '-' },
-  stdin = true
+  stdin = true,
 }
 
 M.fish_indent = {
@@ -78,7 +78,7 @@ M.mixformat = {
 
 M.pg_format = {
   cmd = 'pg_format',
-  stdin = true
+  stdin = true,
 }
 
 M.prettier = {
@@ -126,7 +126,7 @@ M.swiftformat = {
 
 M['swift-format'] = {
   cmd = 'swift-format',
-  stdin = true
+  stdin = true,
 }
 
 M['sql-formatter'] = {
diff --git a/lua/guard/tools/linter/shellcheck.lua b/lua/guard/tools/linter/shellcheck.lua
index a93cdee0..b69c9a60 100644
--- a/lua/guard/tools/linter/shellcheck.lua
+++ b/lua/guard/tools/linter/shellcheck.lua
@@ -16,7 +16,7 @@ return {
       error = 1,
       warning = 2,
       info = 3,
-      style = 4
+      style = 4,
     }
 
     local diags = {}
@@ -33,5 +33,5 @@ return {
     end, comments)
 
     return diags
-  end
+  end,
 }
diff --git a/test/filetype_spec.lua b/test/filetype_spec.lua
index 420cdc37..8356199e 100644
--- a/test/filetype_spec.lua
+++ b/test/filetype_spec.lua
@@ -153,10 +153,18 @@ describe('filetype module', function()
   end)
 
   it('can add extra command arguments', function()
-    ft('c'):fmt('clang-format'):extra('--verbose'):lint('clang-tidy'):extra('--fix')
+    ft('c')
+      :fmt({
+        cmd = 'clang-format',
+        args = '--style=Mozilla',
+        stdin = true,
+      })
+      :extra('--verbose')
+      :lint('clang-tidy')
+      :extra('--fix')
     same({
       cmd = 'clang-format',
-      args = { '--verbose', '-style=file' },
+      args = { '--style=Mozilla', '--verbose' },
       stdin = true,
     }, require('guard.tools.formatter')['clang-format'])