1 files changed, 1 insertions, 1 deletions
diff --git a/lib/tk.rb b/lib/tk.rb
index 1f6d0ef7f5..08a146b8be 100644
--- a/lib/tk.rb
+++ b/lib/tk.rb
@@ -363,7 +363,7 @@ module Tk
       tk_call 'wm', 'bitmap', path, *args
     end
     def iconify
-      tk_call 'wm', 'iconify'
+      tk_call 'wm', 'iconify', path
     end
     def iconmask(*args)
       tk_call 'wm', 'iconmask', path, *args