diff --git a/main.go b/main.go
index d6c3708..b276557 100644
--- a/main.go
+++ b/main.go
@@ -14,7 +14,7 @@ const (
 	Trace
 )
 
-var loggerMap map[string]Logger
+var loggerMap map[string]Logger = map[string]Logger{}
 
 type LogConfig struct {
 	Name  string