diff --git a/metric-collector.go b/metric-collector.go
index b709512..8121141 100644
--- a/metric-collector.go
+++ b/metric-collector.go
@@ -211,6 +211,21 @@ func mainFunc() int {
 	}
 	rcfg.Duration = time.Duration(rcfg.ConfigFile.Duration) * time.Second
 
+	if len(rcfg.ConfigFile.RouterConfigFile) == 0 {
+		cclog.Error("Metric router configuration file must be set")
+		return 1
+	}
+
+	if len(rcfg.ConfigFile.SinkConfigFile) == 0 {
+		cclog.Error("Sink configuration file must be set")
+		return 1
+	}
+
+	if len(rcfg.ConfigFile.CollectorConfigFile) == 0 {
+		cclog.Error("Metric collector configuration file must be set")
+		return 1
+	}
+
 	//	err = CreatePidfile(rcfg.CliArgs["pidfile"])
 
 	// Set log file
@@ -222,42 +237,36 @@ func mainFunc() int {
 	rcfg.MultiChanTicker = mct.NewTicker(rcfg.Interval)
 
 	// Create new metric router
-	if len(rcfg.ConfigFile.RouterConfigFile) > 0 {
-		rcfg.MetricRouter, err = mr.New(rcfg.MultiChanTicker, &rcfg.Sync, rcfg.ConfigFile.RouterConfigFile)
-		if err != nil {
-			cclog.Error(err.Error())
-			return 1
-		}
+	rcfg.MetricRouter, err = mr.New(rcfg.MultiChanTicker, &rcfg.Sync, rcfg.ConfigFile.RouterConfigFile)
+	if err != nil {
+		cclog.Error(err.Error())
+		return 1
 	}
 
 	// Create new sink
-	if len(rcfg.ConfigFile.SinkConfigFile) > 0 {
-		rcfg.SinkManager, err = sinks.New(&rcfg.Sync, rcfg.ConfigFile.SinkConfigFile)
-		if err != nil {
-			cclog.Error(err.Error())
-			return 1
-		}
-
-		// Connect metric router to sink manager
-		RouterToSinksChannel := make(chan lp.CCMetric, 200)
-		rcfg.SinkManager.AddInput(RouterToSinksChannel)
-		rcfg.MetricRouter.AddOutput(RouterToSinksChannel)
+	rcfg.SinkManager, err = sinks.New(&rcfg.Sync, rcfg.ConfigFile.SinkConfigFile)
+	if err != nil {
+		cclog.Error(err.Error())
+		return 1
 	}
 
+	// Connect metric router to sink manager
+	RouterToSinksChannel := make(chan lp.CCMetric, 200)
+	rcfg.SinkManager.AddInput(RouterToSinksChannel)
+	rcfg.MetricRouter.AddOutput(RouterToSinksChannel)
+
 	// Create new collector manager
-	if len(rcfg.ConfigFile.CollectorConfigFile) > 0 {
-		rcfg.CollectManager, err = collectors.New(rcfg.MultiChanTicker, rcfg.Duration, &rcfg.Sync, rcfg.ConfigFile.CollectorConfigFile)
-		if err != nil {
-			cclog.Error(err.Error())
-			return 1
-		}
-
-		// Connect collector manager to metric router
-		CollectToRouterChannel := make(chan lp.CCMetric, 200)
-		rcfg.CollectManager.AddOutput(CollectToRouterChannel)
-		rcfg.MetricRouter.AddCollectorInput(CollectToRouterChannel)
+	rcfg.CollectManager, err = collectors.New(rcfg.MultiChanTicker, rcfg.Duration, &rcfg.Sync, rcfg.ConfigFile.CollectorConfigFile)
+	if err != nil {
+		cclog.Error(err.Error())
+		return 1
 	}
 
+	// Connect collector manager to metric router
+	CollectToRouterChannel := make(chan lp.CCMetric, 200)
+	rcfg.CollectManager.AddOutput(CollectToRouterChannel)
+	rcfg.MetricRouter.AddCollectorInput(CollectToRouterChannel)
+
 	// Create new receive manager
 	if len(rcfg.ConfigFile.ReceiverConfigFile) > 0 {
 		rcfg.ReceiveManager, err = receivers.New(&rcfg.Sync, rcfg.ConfigFile.ReceiverConfigFile)