diff --git a/logger.go b/logger.go
index f55b9a6..bfe26e0 100644
--- a/logger.go
+++ b/logger.go
@@ -33,7 +33,7 @@ func (ll *LogLevel) IsValid() bool {
 	return false
 }
 
-const (
+var (
 	LogLevelDebug LogLevel = "DEBUG"
 	LogLevelInfo  LogLevel = "INFO"
 	LogLevelWarn  LogLevel = "WARN"