1 files changed, 2 insertions, 2 deletions
diff --git a/object.c b/object.c
index 9f1d9f1f48..eda0114f68 100644
--- a/object.c
+++ b/object.c
@@ -1076,8 +1076,8 @@ rb_false(obj)
  */
 
 static VALUE
-rb_obj_pattern_match(obj)
-    VALUE obj;
+rb_obj_pattern_match(obj1, obj2)
+    VALUE obj1, obj2;
 {
     return Qfalse;
 }