diff --git a/gtk2_ardour/editor.cc b/gtk2_ardour/editor.cc
index d7a115189f..5668f627a4 100644
--- a/gtk2_ardour/editor.cc
+++ b/gtk2_ardour/editor.cc
@@ -269,6 +269,7 @@ Editor::Editor ()
 	, samples_ruler (0)
 	, minsec_ruler (0)
 	, visible_timebars (0)
+	, videotl_bar_height (4)
 	, editor_ruler_menu (0)
 	, tempo_bar (0)
 	, meter_bar (0)