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-rw-r--r--lib/tkcanvas.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/tkcanvas.rb b/lib/tkcanvas.rb
index 26f0ac0c7b..de727c3e79 100644
--- a/lib/tkcanvas.rb
+++ b/lib/tkcanvas.rb
@@ -92,7 +92,7 @@ class TkCanvas<TkWindow
def itemtype(tag)
tk_send 'type', tagid(tag)
end
- def postscript(keys=None)
+ def postscript(keys)
tk_send "postscript", *hash_kv(keys)
end
def raise(tag, above=None)