diff --git a/smx-config/Helpers.cs b/smx-config/Helpers.cs
index 590d52a..b8a7964 100644
--- a/smx-config/Helpers.cs
+++ b/smx-config/Helpers.cs
@@ -64,7 +64,7 @@ namespace smx_config
 
             // There aren't any pads connected.  Just return a dummy config, since the UI
             // isn't visible.
-            return new SMX.SMXConfig();
+            return SMX.SMXConfig.Create();
         }
 
         public static SMX.SMXConfig GetFirstActivePadConfig()
diff --git a/smx-config/SMX.cs b/smx-config/SMX.cs
index 42fd1d2..1fd8e4f 100644
--- a/smx-config/SMX.cs
+++ b/smx-config/SMX.cs
@@ -192,6 +192,19 @@ namespace SMX
             panelThreshold7High = values[7];
             panelThreshold8High = values[8];
         }
+
+        // Create an empty SMXConfig.
+        static public SMXConfig Create()
+        {
+            SMXConfig result = new SMXConfig();
+            result.enabledSensors = new Byte[5];
+            result.stepColor = new Byte[3*9];
+            result.individualPanelFSRLow = new UInt16[9];
+            result.individualPanelFSRHigh = new UInt16[9];
+            result.platformStripColor = new Byte[3];
+
+            return result;
+        }
     };  
 
     public struct SMXSensorTestModeData