diff --git a/main.go b/main.go
index c4c7b5a..8eae732 100644
--- a/main.go
+++ b/main.go
@@ -16,7 +16,7 @@ type Config struct {
 
 func NewConfig()(*Config) {
     config := new(Config)
-    config.env = make(map[string]string)
+    config.env = make(map[string]map[string]int)
     for _,v := range os.Environ() {
         splitted := strings.SplitN(v, "=", 2)
         if len(splitted) == 2 {