diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 762f28c5..e41f3946 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -103,6 +103,7 @@ set(keepassx_MOC
     gui/EditWidget.h
     gui/EditWidgetIcons.h
     gui/IconModels.h
+    gui/KeePass1OpenDialog.h
     gui/LineEdit.h
     gui/MainWindow.h
     gui/entry/EditEntryWidget.h
diff --git a/src/gui/KeePass1OpenDialog.h b/src/gui/KeePass1OpenDialog.h
index 2e2db4f0..2c343446 100644
--- a/src/gui/KeePass1OpenDialog.h
+++ b/src/gui/KeePass1OpenDialog.h
@@ -22,6 +22,8 @@
 
 class KeePass1OpenDialog : public DatabaseOpenDialog
 {
+    Q_OBJECT
+
 public:
     explicit KeePass1OpenDialog(QFile* file, const QString& filename, QWidget* parent = 0);
     ~KeePass1OpenDialog();