1 files changed, 1 insertions, 0 deletions
diff --git a/src/window.c b/src/window.c
index 3294e5cbd05..bac6c5a7d92 100644
--- a/src/window.c
+++ b/src/window.c
@@ -279,6 +279,7 @@ make_window ()
   p->fringes_outside_margins = Qnil;
   p->scroll_bar_width = Qnil;
   p->vertical_scroll_bar_type = Qt;
+  p->overlay_arrow_bitmap = 0;
 
   Vwindow_list = Qnil;
   return val;