diff --git a/overview/overview/overviewscintilla.c b/overview/overview/overviewscintilla.c
index 7158179e0..9725c1248 100644
--- a/overview/overview/overviewscintilla.c
+++ b/overview/overview/overviewscintilla.c
@@ -934,9 +934,12 @@ overview_scintilla_sync (OverviewScintilla *self)
 
   overview_scintilla_clone_styles (self);
 
-  for (gint i = 0; i < SC_MAX_MARGIN; i++)
+  for (gint i = 0; i <= SC_MAX_MARGIN; i++)
     sci_send (self, SETMARGINWIDTHN, i, 0);
 
+  for (gint i = 0; i <= MARKER_MAX; i++)
+    sci_send (self, MARKERSETALPHA, i, 0);
+  
   sci_send (self, SETVIEWEOL, 0, 0);
   sci_send (self, SETVIEWWS, 0, 0);
   sci_send (self, SETHSCROLLBAR, 0, 0);