diff --git a/gtk2_ardour/add_video_dialog.cc b/gtk2_ardour/add_video_dialog.cc
index a7de9d2c33..7490042222 100644
--- a/gtk2_ardour/add_video_dialog.cc
+++ b/gtk2_ardour/add_video_dialog.cc
@@ -347,6 +347,15 @@ AddVideoDialog::auto_set_session_fps ()
 	return set_session_fps_checkbox.get_active();
 }
 
+void
+AddVideoDialog::clear_preview_image ()
+{
+	imgbuf->fill(RGBA_TO_UINT(0,0,0,255));
+	video_draw_cross(imgbuf);
+	preview_image->set(imgbuf);
+	preview_image->show();
+}
+
 void
 AddVideoDialog::set_action_ok (bool yn)
 {
@@ -359,10 +368,7 @@ AddVideoDialog::set_action_ok (bool yn)
 		pi_aspect.set_text("-");
 		pi_fps.set_text("-");
 		ok_button->set_sensitive(false);
-		imgbuf->fill(RGBA_TO_UINT(0,0,0,255));
-		video_draw_cross(imgbuf);
-		preview_image->set(imgbuf);
-		preview_image->show();
+		clear_preview_image();
 	}
 }
 
@@ -563,6 +569,8 @@ AddVideoDialog::request_preview(std::string u)
 		pi_tcout.set_text("-");
 		pi_aspect.set_text("-");
 		pi_fps.set_text("-");
+
+		clear_preview_image();
 		return;
 	}
 
diff --git a/gtk2_ardour/add_video_dialog.h b/gtk2_ardour/add_video_dialog.h
index 54a7e4ca83..985d64e4cc 100644
--- a/gtk2_ardour/add_video_dialog.h
+++ b/gtk2_ardour/add_video_dialog.h
@@ -51,6 +51,7 @@ class AddVideoDialog : public ArdourDialog
 	void on_show ();
 	bool page_switch();
 	void set_action_ok(bool yn);
+	void clear_preview_image();
 
 	/* preview pane related */
 	void request_preview(std::string vpath);