--- a/recording.c
+++ b/recording.c
@@ -39,7 +39,7 @@
         printf ("Usage: %s <DEVICE>\n", argv[0]);
         printf ("Example: %s /dev/dsp\n", argv[0]);
         printf ("Example: %s /dev/dsp1\n", argv[0]);
-        return EXIT_SUCCESS;
+        return EXIT_FAILURE;
     }
 
     fd = open (argv[1], O_RDWR);