diff --git a/pkg/wireguard/config.go b/pkg/wireguard/config.go
index 8643db4..7b16985 100644
--- a/pkg/wireguard/config.go
+++ b/pkg/wireguard/config.go
@@ -78,7 +78,7 @@ type PeerConfig struct {
 	Name       string
 	PublicKey  PublicKey
 	Endpoint   EndpointAddress
-	AllowedIPs []netip.Prefix
+	AllowedIPs []netip.Prefix `ini:",comma"`
 }
 
 // EndpointAddress is a host:port pair to reach the Peer