diff --git a/check_snmp/check_snmp_connectivity b/check_snmp/check_snmp_connectivity
index e2e2008..6575e43 100755
--- a/check_snmp/check_snmp_connectivity
+++ b/check_snmp/check_snmp_connectivity
@@ -1,4 +1,5 @@
 #!/usr/bin/perl
+# nagios: -epn
 #
 #
 # AUTHORS:
diff --git a/check_snmp/check_snmp_interfaces b/check_snmp/check_snmp_interfaces
index a7af370..2e95a09 100755
--- a/check_snmp/check_snmp_interfaces
+++ b/check_snmp/check_snmp_interfaces
@@ -1,4 +1,5 @@
 #!/usr/bin/perl
+# nagios: -epn
 #
 #
 # AUTHORS: