commit - d248a263cb7397d4efc3c4d644e04bf1afb27611
commit + 725ac0232249dba01d28f143d336b1fa44aa8d88
blob - baea697a8561a23d2be7af4fe0c3fc1ef3cf923c
blob + 1c36f4b22ed2941ff9d024d09af827110ff8e899
--- fm.c
+++ fm.c
@@ -1556,6 +1556,8 @@ main(int argc, char *argv[])
 		case 'v':
 			printf("version: fm %s\n", RV_VERSION);
 			return 0;
+		default:
+			usage();
 		}
 	}