diff --git a/collectors/collectorManager.go b/collectors/collectorManager.go
index 4aae041..6140dbf 100644
--- a/collectors/collectorManager.go
+++ b/collectors/collectorManager.go
@@ -150,7 +150,10 @@ func (cm *collectorManager) AddOutput(output chan lp.CCMetric) {
 
 // Close finishes / stops the metric collector manager
 func (cm *collectorManager) Close() {
-	cm.done <- true
+	select {
+	case cm.done <- true:
+	default:
+	}
 	cclog.ComponentDebug("CollectorManager", "CLOSE")
 }