diff --git a/processor/processor.go b/processor/processor.go
index 92c6a37..9aabbeb 100644
--- a/processor/processor.go
+++ b/processor/processor.go
@@ -177,8 +177,7 @@ func (p *processor) getMaxTempetureOnProcessor(tempeturePathGlob string) (maxTem
 	}
 
 	tempetureReadWaiter := &sync.WaitGroup{}
-	queue := make(chan float64, len(matches))
-	defer close(queue)
+	queue := make(chan float64, len(matches)-1)
 
 	// exclude package temp
 	for _, tempetureFilePath := range matches[1:] {
@@ -186,6 +185,7 @@ func (p *processor) getMaxTempetureOnProcessor(tempeturePathGlob string) (maxTem
 		go p.readTempeture(tempetureFilePath, queue, tempetureReadWaiter)
 	}
 	tempetureReadWaiter.Wait()
+	close(queue)
 	for sense := range queue {
 		if maxTempeture < sense {
 			maxTempeture = sense