diff --git a/uncloud_net/tasks.py b/uncloud_net/tasks.py
index 81be402..ee72cbc 100644
--- a/uncloud_net/tasks.py
+++ b/uncloud_net/tasks.py
@@ -40,7 +40,7 @@ def cdist_configure_wireguard_server(config, server):
         fd.write(config)
 
 
-    subprocess.run(f"cd ${dirname} && git pull && git add {server} && git commit -m 'Updating config for ${server}' && git push",
+    subprocess.run(f"cd {dirname} && git pull && git add {server} && git commit -m 'Updating config for ${server}' && git push",
                    shell=True)
 
     subprocess.run(f"cdist config -vv {server}", shell=True)