diff --git a/Configurator/Configurator.Net/ArducopterConfigurator.csproj b/Configurator/Configurator.Net/ArducopterConfigurator.csproj
index db2be45e89..9c109e5b3d 100644
--- a/Configurator/Configurator.Net/ArducopterConfigurator.csproj
+++ b/Configurator/Configurator.Net/ArducopterConfigurator.csproj
@@ -33,7 +33,7 @@
     <CreateWebPageOnPublish>true</CreateWebPageOnPublish>
     <WebPage>index.htm</WebPage>
     <OpenBrowserOnPublish>false</OpenBrowserOnPublish>
-    <ApplicationRevision>8</ApplicationRevision>
+    <ApplicationRevision>9</ApplicationRevision>
     <ApplicationVersion>1.0.0.%2a</ApplicationVersion>
     <UseApplicationTrust>false</UseApplicationTrust>
     <PublishWizardCompleted>true</PublishWizardCompleted>
diff --git a/Configurator/Configurator.Net/PresentationModels/StableModeConfigVm.cs b/Configurator/Configurator.Net/PresentationModels/StableModeConfigVm.cs
index efead16f2b..69112ed4f1 100644
--- a/Configurator/Configurator.Net/PresentationModels/StableModeConfigVm.cs
+++ b/Configurator/Configurator.Net/PresentationModels/StableModeConfigVm.cs
@@ -25,9 +25,33 @@ namespace ArducopterConfigurator.PresentationModels
                                      };
         }
 
-        public float KPrate { get;  set; }
 
-        public bool MagnetometerEnable { get; set; }
+        private float _kprate;
+
+        public float KPrate
+        {
+            get { return _kprate; }
+            set
+            {
+                if (_kprate == value) return;
+                _kprate = value;
+                FirePropertyChanged("KPrate");
+            }
+        }
+
+
+        private bool _magEnable;
+
+        public bool MagnetometerEnable
+        {
+            get { return _magEnable; }
+            set
+            {
+                if (_magEnable == value) return;
+                _magEnable = value;
+                FirePropertyChanged("MagnetometerEnable");
+            }
+        }
 
         public override string Name
         {