2 files changed, 3 insertions, 2 deletions

diff --git a/command.cfg.in b/command.cfg.in
index bde271d..85785f4 100644
--- a/command.cfg.in
+++ b/command.cfg.in
@@ -140,10 +140,10 @@ command[snmp_tcpstats]=@libexecdir@/check_snmp -H $HOSTADDRESS$ -C $ARG1$ -o tcp
 command[check_ifstatus]=@libexecdir@/check_ifstatus -H $HOSTADDRESS$ -C public 
 
 # check particular interface by snmp ifIndex key
-command[check_ifoperstatus]=@libexecdir@/check_ifoperstatus -H $HOSTADDRESS$ -C public -k $ARG1$
+command[check_ifoperstatus_ifindex]=@libexecdir@/check_ifoperstatus -H $HOSTADDRESS$ -C public -k $ARG1$
 
 # check particular interface by snmp ifDescr value (verify uniqueness before using)
-command[check_ifoperstatus]=@libexecdir@/check_ifoperstatus -H $HOSTADDRESS$ -C public -d $ARG1$
+command[check_ifoperstatus_ifdescr]=@libexecdir@/check_ifoperstatus -H $HOSTADDRESS$ -C public -d $ARG1$
 
 # verify all you BGP session on a device are running (only returns warning due to some hardcoded option - to be fixed soon)
 command[check_snmp_bgpstate]=@libexecdir@/check_bgpstate -H $HOSTADDRESS$ -C public
diff --git a/configure.in b/configure.in
index 2784b2d..2c90ebf 100644
--- a/configure.in
+++ b/configure.in
@@ -1,5 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_REVISION ($Revision$)
+AC_PREREQ(2.50)
 AC_INIT(Helper.pm)
 VER=1.3.99
 REL=1