diff --git a/contrib/bsnmp/snmpd/main.c b/contrib/bsnmp/snmpd/main.c
index 69874513cdd3..b07308165ddd 100644
--- a/contrib/bsnmp/snmpd/main.c
+++ b/contrib/bsnmp/snmpd/main.c
@@ -1615,9 +1615,7 @@ main(int argc, char *argv[])
 	progargs = argv;
 	nprogargs = argc;
 
-	srandomdev();
-
-	snmp_serial_no = random();
+	snmp_serial_no = arc4random();
 
 #ifdef USE_TCPWRAPPERS
 	/*