Index: lib/Opsview/Web/Controller/Admin/Snmpwalk.pm
===================================================================
--- lib/Opsview/Web/Controller/Admin/Snmpwalk.pm	(revision 2492)
+++ lib/Opsview/Web/Controller/Admin/Snmpwalk.pm	(working copy)
@@ -99,7 +99,7 @@
 			}
 
 			# .iso required for full walk
-			@cmd = ("snmpwalk","-v",$version,"-c",$snmp_community,$ip,".iso");
+			@cmd = ("snmpwalk","-M","/usr/share/snmp/mibs:/usr/local/nagios/snmp/load","-v",$version,"-c",$snmp_community,$ip,".iso");
 		} else {
 			my @args = (
 				"-u", $host->snmpv3_username,
@@ -137,7 +137,7 @@
 				$c->res->body(" ");
 				$c->detach;
 			}
-			@cmd = ( "snmpwalk","-v","3", @args, $ip, ".iso" );
+			@cmd = ( "snmpwalk","-M","/usr/share/snmp/mibs:/usr/local/nagios/snmp/load","-v","3", @args, $ip, ".iso" );
 		}
 
 		if ($ms->is_slave) {