keyword arguments and faster function calls
diff --git a/Include/object.h b/Include/object.h
index d1e60be..55c9722 100644
--- a/Include/object.h
+++ b/Include/object.h
@@ -217,7 +217,7 @@
 	/* More standard operations (at end for binary compatibility) */
 
 	hashfunc tp_hash;
-	binaryfunc tp_call;
+	ternaryfunc tp_call;
 	reprfunc tp_str;
 
 	/* Space for future expansion */