diff -up rng-tools-5/rngd.c.rfail rng-tools-5/rngd.c
--- rng-tools-5/rngd.c.rfail	2014-12-10 09:18:25.333873892 +0100
+++ rng-tools-5/rngd.c	2014-12-10 09:19:06.096070334 +0100
@@ -319,7 +319,7 @@ int main(int argc, char **argv)
 			message(LOG_DAEMON|LOG_ERR,
 				"Maybe RNG device modules are not loaded\n");
 		}
-		return 1;
+		return 66;
 	}
 
 	if (arguments->verbose) {