diff --git a/Modules/_curses_panel.c b/Modules/_curses_panel.c
index 313f83e..fc168e3 100644
--- a/Modules/_curses_panel.c
+++ b/Modules/_curses_panel.c
@@ -333,7 +333,8 @@
     {"hidden",          (PyCFunction)PyCursesPanel_panel_hidden},
     {"hide",            (PyCFunction)PyCursesPanel_hide_panel},
     {"move",            (PyCFunction)PyCursesPanel_move_panel},
-    {"replace",         (PyCFunction)PyCursesPanel_replace_panel},
+    {"replace",         (PyCFunction)PyCursesPanel_replace_panel,
+     METH_VARARGS},
     {"set_userptr",     (PyCFunction)PyCursesPanel_set_panel_userptr, 
      METH_VARARGS},
     {"show",            (PyCFunction)PyCursesPanel_show_panel},