diff --git a/src/ATBAPP/UnifiedDCVMCInterface.h b/src/ATBAPP/UnifiedDCVMCInterface.h
index 278e9ef..58471c9 100644
--- a/src/ATBAPP/UnifiedDCVMCInterface.h
+++ b/src/ATBAPP/UnifiedDCVMCInterface.h
@@ -139,7 +139,7 @@ signals:
             /*  additional variables? */
             const QString & errorCode,
             const QString & errorDescription);
-
+#endif
 };
 
 Q_DECLARE_INTERFACE(UnifiedDCVMCInterface,