diff --git a/kafka_exporter.go b/kafka_exporter.go
index 4a1f7c8c..ab797113 100644
--- a/kafka_exporter.go
+++ b/kafka_exporter.go
@@ -37,9 +37,9 @@ const (
 )
 
 const (
-	INFO  = 0
-	DEBUG = 1
-	TRACE = 2
+	INFO = iota
+	DEBUG
+	TRACE
 )
 
 var (