1 files changed, 1 insertions, 1 deletions
diff --git a/length.c b/length.c
index 1ab4e3a..9119adc 100644
--- a/length.c
+++ b/length.c
@@ -7,7 +7,7 @@
 extern int length_main(int argc, char **argv)
 {
 	if (argc != 2 || **(argv + 1) == '-')
-		usage(length_usage);
+		show_usage();
 	printf("%lu\n", (long)strlen(argv[1]));
 	return EXIT_SUCCESS;
 }