diff --git a/core/mui/cairo_miracle_painter.rb b/core/mui/cairo_miracle_painter.rb
index 561322b..18df1d0 100644
--- a/core/mui/cairo_miracle_painter.rb
+++ b/core/mui/cairo_miracle_painter.rb
@@ -220,7 +220,7 @@ class Gdk::MiraclePainter < Gtk::Object
display = window.screen.display
- window.window.cursor = Gdk::Cursor.new(display, name)
+ window.window.cursor = Gdk::Cursor.new(Gdk::Cursor::LEFT_PTR)
self
なら落ちない