diff --git a/hscontrol/types/config.go b/hscontrol/types/config.go
index 44773a55..be0bce81 100644
--- a/hscontrol/types/config.go
+++ b/hscontrol/types/config.go
@@ -297,6 +297,7 @@ func LoadConfig(path string, isFile bool) error {
 	viper.SetDefault("dns.search_domains", []string{})
 
 	viper.SetDefault("derp.server.enabled", false)
+	viper.SetDefault("derp.server.verify_clients", true)
 	viper.SetDefault("derp.server.stun.enabled", true)
 	viper.SetDefault("derp.server.automatically_add_embedded_derp_region", true)