--- ./base/nagios.c.orig	2021-12-02 00:05:51 +0000
+++ ./base/nagios.c	2021-12-02 00:06:09 +0000
@@ -260,7 +260,7 @@
 
 	/* get all command line arguments */
 	while(1) {
-		c = getopt(argc, argv, "+hVvdspuxTW");
+		c = getopt(argc, argv, "+hVvdspuxTW:");
 
 		if(c == -1 || c == EOF)
 			break;