diff --git a/.vim/autoload/vimrc/lazyload.vim b/.vim/autoload/vimrc/lazyload.vim
index cc6ebd8..ef524b7 100644
--- a/.vim/autoload/vimrc/lazyload.vim
+++ b/.vim/autoload/vimrc/lazyload.vim
@@ -84,9 +84,9 @@ def A()
 const a = has('win32') ? '~/_vimrc' : '~/.vimrc'
 const b = a->expand()->resolve()->fnamemodify(':h')
 const c = getcwd()
-exe 'cd' b
+chdir(b)
 ec system($'git pull')
-exe 'cd' c
+chdir(c)
 exe $'source {has('win32') ? '~/vimfiles' : '~/.vim'}/autoload/vimrc/ezpack.vim'
 EzpackInstall
 enddef
diff --git a/src/.vim/autoload/vimrc/lazyload.src.vim b/src/.vim/autoload/vimrc/lazyload.src.vim
index 538fe9d..42eb19a 100644
--- a/src/.vim/autoload/vimrc/lazyload.src.vim
+++ b/src/.vim/autoload/vimrc/lazyload.src.vim
@@ -126,9 +126,9 @@ def PullDotfiles()
 	const vimrcpath = has('win32') ? '~/_vimrc' : '~/.vimrc'
 	const dotfilespath = vimrcpath->expand()->resolve()->fnamemodify(':h')
 	const cwd = getcwd()
-	execute 'cd' dotfilespath
+	chdir(dotfilespath)
 	echo system($'git pull')
-	execute 'cd' cwd
+	chdir(cwd)
 	execute $'source {has('win32') ? '~/vimfiles' : '~/.vim'}/autoload/vimrc/ezpack.vim'
 	EzpackInstall
 enddef