diff --git a/tr.c b/tr.c
index 36f29de..92f399e 100644
--- a/tr.c
+++ b/tr.c
@@ -170,7 +170,7 @@
 				sq_fl = TRUE;
 				break;
 			default:
-				usage(tr_usage);
+				show_usage();
 			}
 		}
 		index++;