diff --git a/src/ATBAPP/DeviceControllerInterface.h b/src/ATBAPP/DeviceControllerInterface.h
index 4026051..3416dec 100644
--- a/src/ATBAPP/DeviceControllerInterface.h
+++ b/src/ATBAPP/DeviceControllerInterface.h
@@ -104,6 +104,9 @@ signals:
                                      const QString & errorCode,
                                      const QString & errorDescription);
 
+
+    void coinAttached();
+
     /**
      * emitted on e.g. a coin input
      */
@@ -193,7 +196,7 @@ signals:
 
 
 Q_DECLARE_INTERFACE(DeviceControllerInterface,
-                    "eu.atb.ptu.plugin.DeviceControllerInterface/1.1.1")
+                    "eu.atb.ptu.plugin.DeviceControllerInterface/1.1.2")
 
 
 namespace nsDeviceControllerInterface {