diff --git a/internal/config/config.go b/internal/config/config.go
index 9485c1b..476fc64 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -171,7 +171,9 @@ type AppConfig struct {
 }
 
 func New(configPath string, version string) *AppConfig {
-	c := &AppConfig{}
+	c := &AppConfig{
+		m: new(sync.Mutex),
+	}
 	c.defaults()
 	c.Config.Version = version
 	c.Config.ConfigPath = configPath