diff --git a/gui/txtreport.h b/gui/txtreport.h
index a42ac53a9..398ac80a7 100644
--- a/gui/txtreport.h
+++ b/gui/txtreport.h
@@ -36,6 +36,8 @@
 */
 class TxtReport : public Report
 {
+    Q_OBJECT
+
 public:
     TxtReport(const QString &filename, QObject * parent = 0);
     virtual ~TxtReport();