diff --git a/ftplugin/zig.vim b/ftplugin/zig.vim
index a2921a9b..36f3f409 100644
--- a/ftplugin/zig.vim
+++ b/ftplugin/zig.vim
@@ -40,11 +40,7 @@ endif
 let &l:define='\v(<fn>|<const>|<var>|^\s*\#\s*define)'
 
 if !exists('g:zig_std_dir') && exists('*json_decode') && executable('zig')
-    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
+    silent let g:zig_std_dir = system('zig env | grep "std_dir" | sed ''s/[^"]*"//'' | sed ''s/",//g''')
 endif
 
 if exists('g:zig_std_dir')