1 files changed, 1 insertions, 1 deletions
diff --git a/io.c b/io.c
index e918f1c79b..8f48ba1dd6 100644
--- a/io.c
+++ b/io.c
@@ -11457,7 +11457,7 @@ copy_stream_fallback(struct copy_stream_struct *stp)
 	rb_raise(rb_eArgError, "cannot specify src_offset for non-IO");
     }
     rb_rescue2(copy_stream_fallback_body, (VALUE)stp,
-               (VALUE (*) (ANYARGS))0, (VALUE)0,
+               (VALUE (*) (VALUE, VALUE))0, (VALUE)0,
                rb_eEOFError, (VALUE)0);
     return Qnil;
 }