diff --git a/app/dialog/export/exportsubtitlestab.h b/app/dialog/export/exportsubtitlestab.h
index fd160c91b..fa81df56e 100644
--- a/app/dialog/export/exportsubtitlestab.h
+++ b/app/dialog/export/exportsubtitlestab.h
@@ -30,6 +30,7 @@ namespace olive {
 
 class ExportSubtitlesTab : public QWidget
 {
+  Q_OBJECT
 public:
   ExportSubtitlesTab(QWidget *parent = nullptr);