1 files changed, 1 insertions, 1 deletions
diff --git a/proc.c b/proc.c
index 0ab110d96a..dbfefe601d 100644
--- a/proc.c
+++ b/proc.c
@@ -526,7 +526,7 @@ proc_to_s(VALUE self)
 	    line_no = iseq->insn_info_tbl[0].line_no;
 	}
 	str = rb_sprintf("#<%s:%lx@%s:%d>", cname, self,
-			 RSTRING_PTR(iseq->file_name),
+			 RSTRING_PTR(iseq->filename),
 			 line_no);
     }
     else {