diff --git a/runtime/ftplugin/zig.vim b/runtime/ftplugin/zig.vim
index cd18bfe..45ea582 100644
--- a/runtime/ftplugin/zig.vim
+++ b/runtime/ftplugin/zig.vim
@@ -40,14 +40,17 @@
 let &l:define='\v(<fn>|<const>|<var>|^\s*\#\s*define)'
 
 " Safety check: don't execute zip from current directory
+let s:tmp_cwd = getcwd()
 if !exists('g:zig_std_dir') && exists('*json_decode') &&
-    \  executable('zig') && fnamemodify(exepath("zig"), ":p:h") != getcwd()
+    \  executable('zig') && (fnamemodify(exepath("zig"), ":p:h") != s:tmp_cwd
+          \ || (index(split($PATH,has("win32")? ';' : ':'), s:tmp_cwd) != -1 && s:tmp_cwd != '.'))
     silent let s:env = system('zig env')
     if v:shell_error == 0
         let g:zig_std_dir = json_decode(s:env)['std_dir']
     endif
     unlet! s:env
 endif
+unlet s:tmp_cwd
 
 if exists('g:zig_std_dir')
     let &l:path = &l:path . ',' . g:zig_std_dir