diff --git a/src/js/tool-view.js b/src/js/tool-view.js
index e649874..9927eba 100644
--- a/src/js/tool-view.js
+++ b/src/js/tool-view.js
@@ -159,7 +159,7 @@ module.exports = {
       this.config.tool = merge({}, this.config.tool, settings["tool"]);
       this.config["pwm-spindle"] = merge({}, this.config["pwm-spindle"], settings["pwm-spindle"]);
       this.config["modbus-spindle"] = merge({}, this.config["modbus-spindle"], settings["modbus-spindle"]);
-      if (this.selected_tool == "pwncnc-vfd" && _.isEmpty(settings)) {
+      if (this.selected_tool == "pwncnc-vfd" && Object.keys(settings).length == 0) {
         this.config["modbus-spindle"]["regs"][5] = {
           "reg-value": 6,
           "reg-type": "stop-write",