diff --git a/deviceid.go b/deviceid.go
index 93753d7fa..21b323255 100644
--- a/deviceid.go
+++ b/deviceid.go
@@ -24,7 +24,7 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/syncthing/syncthing/internal/luhn"
+	"github.com/calmh/luhn"
 )
 
 type DeviceID [32]byte