diff --git a/centreon-plugins/centreon/common/cisco/standard/snmp/mode/environment.pm b/centreon-plugins/centreon/common/cisco/standard/snmp/mode/environment.pm
index 764d66bf6..cac1560e6 100644
--- a/centreon-plugins/centreon/common/cisco/standard/snmp/mode/environment.pm
+++ b/centreon-plugins/centreon/common/cisco/standard/snmp/mode/environment.pm
@@ -24,6 +24,7 @@ use base qw(centreon::plugins::templates::hardware);
 
 use strict;
 use warnings;
+use centreon::plugins::misc;
 
 sub set_system {
     my ($self, %options) = @_;