diff --git a/modules/mesh-build-go/cmd/mesh-build-go/digest_test.go b/modules/mesh-build-go/cmd/mesh-build-go/digest_test.go
index 09d5a441b..689ff100e 100644
--- a/modules/mesh-build-go/cmd/mesh-build-go/digest_test.go
+++ b/modules/mesh-build-go/cmd/mesh-build-go/digest_test.go
@@ -164,7 +164,11 @@ func TestAModuleOutsideTheTreeCountsByVersionAndChecksum(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	ext := pkgs["git.novox.be/novox/mesh-sdk/go/buildstep"]
+	// The capture holds the one package go list was asked about, whichever package that was.
+	var ext *goPackage
+	for _, p := range pkgs {
+		ext = p
+	}
 	if ext == nil || ext.Module == nil || ext.Module.Sum == "" || ext.Module.Version == "" || ext.Module.Main {
 		t.Fatalf("the capture holds no external package with a version and a checksum: %+v", ext)
 	}
diff --git a/modules/mesh-vault/cmd/mesh-vault/signing.go b/modules/mesh-vault/cmd/mesh-vault/signing.go
index 8ed4b0ff8..421c92eab 100644
--- a/modules/mesh-vault/cmd/mesh-vault/signing.go
+++ b/modules/mesh-vault/cmd/mesh-vault/signing.go
@@ -23,8 +23,8 @@ import (
 	"time"
 
 	"git.novox.be/novox/mesh-contracts/identity-and-access/go/seats/meshvault"
+	"git.novox.be/novox/mesh-networking/modules/mesh-wireguard/go/overlay"
 	stdio "git.novox.be/novox/mesh-sdk/go"
-	"git.novox.be/novox/mesh-sdk/go/overlay"
 )
 
 // The vault's own signing secrets: each an ed25519 seed in base64 (never PEM, which the vault takes as a private key
diff --git a/modules/mesh-vault/cmd/mesh-vault/signing_test.go b/modules/mesh-vault/cmd/mesh-vault/signing_test.go
index 8a3d27930..cdb0c10de 100644
--- a/modules/mesh-vault/cmd/mesh-vault/signing_test.go
+++ b/modules/mesh-vault/cmd/mesh-vault/signing_test.go
@@ -14,7 +14,7 @@ import (
 	"strings"
 	"testing"
 
-	"git.novox.be/novox/mesh-sdk/go/overlay"
+	"git.novox.be/novox/mesh-networking/modules/mesh-wireguard/go/overlay"
 	"git.novox.be/novox/mesh-sdk/go/seal"
 )
 
diff --git a/modules/mesh-vault/go.mod b/modules/mesh-vault/go.mod
index 0e2eb7cae..f34057674 100644
--- a/modules/mesh-vault/go.mod
+++ b/modules/mesh-vault/go.mod
@@ -29,3 +29,4 @@ require (
 	golang.org/x/sys v0.48.0 // indirect
 	golang.org/x/time v0.16.0 // indirect
 )
+require git.novox.be/novox/mesh-networking/modules/mesh-wireguard/go v0.0.0-20261105000000-000000000000