diff --git a/config/config.go b/config/config.go
index a639796..15af8e3 100644
--- a/config/config.go
+++ b/config/config.go
@@ -114,10 +114,11 @@ type VPNDef struct {
 }
 
 type VPNPeer struct {
-	PublicKey  string `yaml:"public_key"`
-	Endpoint   *net.UDPAddr
-	KeepAlive  time.Duration `yaml:"keepalive"`
-	AllowedIPs []string      `yaml:"allowed_ips"`
+	PublicKey        string `yaml:"public_key"`
+	WithPreSharedKey bool   `yaml:"with_preshared_key"`
+	Endpoint         *net.UDPAddr
+	KeepAlive        time.Duration `yaml:"keepalive"`
+	AllowedIPs       []string      `yaml:"allowed_ips"`
 }
 
 type GroupDef struct {