diff --git a/octoprint_customControl/static/js/customControl.js b/octoprint_customControl/static/js/customControl.js
index 0dcf6d1..e7f260e 100644
--- a/octoprint_customControl/static/js/customControl.js
+++ b/octoprint_customControl/static/js/customControl.js
@@ -638,7 +638,11 @@
         }
         self.onSettingsBeforeSave = function () {
             self.recursiveDeleteProperties(self.controlsFromServer);
-            self.settingsViewModel.settings.plugins.customControl.controls = self.controlsFromServer;
+            if (self.controlsFromServer.length == 0) {
+              self.settingsViewModel.settings.plugins.customControl.controls = "";
+            } else {
+              self.settingsViewModel.settings.plugins.customControl.controls = self.controlsFromServer;
+            }
         }
 
         self.onEventSettingsUpdated = function (payload) {