diff --git a/Netdisco/lib/App/Netdisco/Util/SNMP.pm b/Netdisco/lib/App/Netdisco/Util/SNMP.pm
index 5d29e3c4..bab60eff 100644
--- a/Netdisco/lib/App/Netdisco/Util/SNMP.pm
+++ b/Netdisco/lib/App/Netdisco/Util/SNMP.pm
@@ -331,7 +331,7 @@ sub snmp_comm_reindex {
             and $c->{tag} eq (eval { $device->community->snmp_auth_tag } || '');
           $prefix = $c->{context_prefix} and last;
       }
-      my $prefix ||= 'vlan-';
+      $prefix ||= 'vlan-';
       $snmp->update(Context => ($prefix . $vlan));
   }
   else {