diff --git a/lib/App/Netdisco/Worker/Plugin/Snapshot.pm b/lib/App/Netdisco/Worker/Plugin/Snapshot.pm
index 2a9eddb2..4ad43090 100644
--- a/lib/App/Netdisco/Worker/Plugin/Snapshot.pm
+++ b/lib/App/Netdisco/Worker/Plugin/Snapshot.pm
@@ -227,6 +227,8 @@ sub walk_and_store {
       my $leaf = $oidmap{$oid} or next;
       $snmp->_cache($oid, $snmp->$leaf);
   }
+
+  return 0;
 }
 
 # taken from SNMP::Info and adjusted to work on walks outside a single table