diff --git a/scripts/install_server.sh b/scripts/install_server.sh
index 9cf20ab..372f8a6 100644
--- a/scripts/install_server.sh
+++ b/scripts/install_server.sh
@@ -677,11 +677,10 @@ After=network.target
 [Service]
 Type=simple
 ExecStart=$EXECUTABLE_INSTALL_PATH server --config ${CONFIG_DIR}/${_config_name}.yaml
-WorkingDirectory=$CONFIG_DIR
+WorkingDirectory=$HYSTERIA_HOME_DIR
 User=$HYSTERIA_USER
 Group=$HYSTERIA_USER
 Environment=HYSTERIA_LOG_LEVEL=info
-Environment=HYSTERIA_ACME_DIR=$HYSTERIA_HOME_DIR/acme
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_NET_RAW
 AmbientCapabilities=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_NET_RAW
 NoNewPrivileges=true