diff --git a/internal/dhcpsvc/server_test.go b/internal/dhcpsvc/server_test.go
index 0166a9b7..02e64c3b 100644
--- a/internal/dhcpsvc/server_test.go
+++ b/internal/dhcpsvc/server_test.go
@@ -4,6 +4,7 @@ import (
 	"io/fs"
 	"net/netip"
 	"os"
+	"path"
 	"path/filepath"
 	"strings"
 	"testing"
@@ -26,7 +27,7 @@ func newTempDB(tb testing.TB) (dst string) {
 
 	const filename = "leases.json"
 
-	data, err := fs.ReadFile(testdata, filepath.Join(tb.Name(), filename))
+	data, err := fs.ReadFile(testdata, path.Join(tb.Name(), filename))
 	require.NoError(tb, err)
 
 	dst = filepath.Join(tb.TempDir(), filename)