diff --git a/collector/arp_linux.go b/collector/arp_linux.go
index e9d5e9da..263f3294 100644
--- a/collector/arp_linux.go
+++ b/collector/arp_linux.go
@@ -62,6 +62,7 @@ func NewARPCollector(config NodeCollectorConfig, logger log.Logger) (Collector,
 			[]string{"device"}, nil,
 		),
 		logger: logger,
+		config: config,
 	}, nil
 }
 
diff --git a/collector/powersupplyclass.go b/collector/powersupplyclass.go
index e6483246..a4db9063 100644
--- a/collector/powersupplyclass.go
+++ b/collector/powersupplyclass.go
@@ -47,5 +47,6 @@ func NewPowerSupplyClassCollector(config NodeCollectorConfig, logger log.Logger)
 		ignoredPattern: pattern,
 		metricDescs:    map[string]*prometheus.Desc{},
 		logger:         logger,
+		config:         config,
 	}, nil
 }