diff --git a/check_snmp/trunk/check_snmp_mem.pl b/check_snmp/trunk/check_snmp_mem.pl
index 4cda8d2..3ef2945 100755
--- a/check_snmp/trunk/check_snmp_mem.pl
+++ b/check_snmp/trunk/check_snmp_mem.pl
@@ -18,7 +18,8 @@ use Getopt::Long;
 
 # Nagios specific
 
-use lib "/usr/local/nagios/libexec";
+use lib "/usr/lib64/nagios/plugins/";
+use lib "/usr/lib/nagios/plugins/";
 use utils qw(%ERRORS $TIMEOUT);
 #my $TIMEOUT = 15;
 #my %ERRORS=('OK'=>0,'WARNING'=>1,'CRITICAL'=>2,'UNKNOWN'=>3,'DEPENDENT'=>4);