diff --git a/cmd/yggdrasil/main.go b/cmd/yggdrasil/main.go
index 82b85cd4..3962bbca 100644
--- a/cmd/yggdrasil/main.go
+++ b/cmd/yggdrasil/main.go
@@ -247,6 +247,7 @@ func main() {
 				Listen:   intf.Listen,
 				Port:     intf.Port,
 				Priority: uint8(intf.Priority),
+				Cost:     uint8(intf.Cost),
 				Password: intf.Password,
 			})
 		}
diff --git a/contrib/mobile/mobile.go b/contrib/mobile/mobile.go
index 82e73485..d67bfaaa 100644
--- a/contrib/mobile/mobile.go
+++ b/contrib/mobile/mobile.go
@@ -97,6 +97,7 @@ func (m *Yggdrasil) StartJSON(configjson []byte) error {
 				Listen:   intf.Listen,
 				Port:     intf.Port,
 				Priority: uint8(intf.Priority),
+				Cost:     uint8(intf.Cost),
 				Password: intf.Password,
 			})
 		}
diff --git a/go.mod b/go.mod
index 5ff4479a..9301e5a5 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,8 @@ module github.com/yggdrasil-network/yggdrasil-go
 
 go 1.21
 
+replace github.com/Arceliar/ironwood => github.com/neilalexander/ironwood v0.0.0-20240530214820-2be4c2c0545a
+
 require (
 	github.com/Arceliar/ironwood v0.0.0-20240529054413-b8e59574e2b2
 	github.com/Arceliar/phony v0.0.0-20220903101357-530938a4b13d
diff --git a/go.sum b/go.sum
index 1cb8f5b8..61d604fe 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,3 @@
-github.com/Arceliar/ironwood v0.0.0-20240529054413-b8e59574e2b2 h1:SBdYBKeXYUUFef5wi2CMhYmXFVGiYaRpTvbki0Bu+JQ=
-github.com/Arceliar/ironwood v0.0.0-20240529054413-b8e59574e2b2/go.mod h1:6WP4799FX0OuWdENGQAh+0RXp9FLh0y7NZ7tM9cJyXk=
 github.com/Arceliar/phony v0.0.0-20220903101357-530938a4b13d h1:UK9fsWbWqwIQkMCz1CP+v5pGbsGoWAw6g4AyvMpm1EM=
 github.com/Arceliar/phony v0.0.0-20220903101357-530938a4b13d/go.mod h1:BCnxhRf47C/dy/e/D2pmB8NkB3dQVIrkD98b220rx5Q=
 github.com/VividCortex/ewma v1.2.0 h1:f58SaIzcDXrSy3kWaHNvuJgJ3Nmz59Zji6XoJR/q1ow=
@@ -48,6 +46,8 @@ github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D
 github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
 github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U=
 github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/neilalexander/ironwood v0.0.0-20240530214820-2be4c2c0545a h1:QtmEQn0ahcIFkkt8iXjBlyej984hdFS6Cc2cqTN2CuQ=
+github.com/neilalexander/ironwood v0.0.0-20240530214820-2be4c2c0545a/go.mod h1:6WP4799FX0OuWdENGQAh+0RXp9FLh0y7NZ7tM9cJyXk=
 github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
 github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
 github.com/onsi/ginkgo/v2 v2.9.5 h1:+6Hr4uxzP4XIUyAkg61dWBw8lb/gc4/X5luuxN/EC+Q=
diff --git a/src/config/config.go b/src/config/config.go
index 9a7f7180..c03d8b03 100644
--- a/src/config/config.go
+++ b/src/config/config.go
@@ -62,6 +62,7 @@ type MulticastInterfaceConfig struct {
 	Listen   bool
 	Port     uint16
 	Priority uint64 // really uint8, but gobind won't export it
+	Cost     uint16 // really uint8, but gobind won't export it
 	Password string
 }
 
diff --git a/src/core/api.go b/src/core/api.go
index 82721fe6..f92df91c 100644
--- a/src/core/api.go
+++ b/src/core/api.go
@@ -95,7 +95,7 @@ func (c *Core) GetPeers() []PeerInfo {
 				peerinfo.Port = p.Port
 				peerinfo.Priority = p.Priority
 				peerinfo.Latency = p.Latency
-				peerinfo.Cost = p.Cost
+				peerinfo.Cost = uint8(p.Cost)
 			}
 			peers = append(peers, peerinfo)
 		}