diff --git a/internal/basecomponent/base.go b/internal/basecomponent/base.go
index 3781cea4..e86d9102 100644
--- a/internal/basecomponent/base.go
+++ b/internal/basecomponent/base.go
@@ -265,7 +265,15 @@ func setupNaffka(cfg *config.Dendrite) (sarama.Consumer, sarama.SyncProducer) {
 
 	uri, err := url.Parse(string(cfg.Database.Naffka))
 	if err != nil || uri.Scheme == "file" {
-		db, err = sqlutil.Open(internal.SQLiteDriverName(), string(uri.Path), nil)
+		var cs string
+		if uri.Opaque != "" { // file:filename.db
+			cs = uri.Opaque
+		} else if uri.Path != "" { // file:///path/to/filename.db
+			cs = uri.Path
+		} else {
+			logrus.Panic("file uri has no filename")
+		}
+		db, err = sqlutil.Open(internal.SQLiteDriverName(), cs, nil)
 		if err != nil {
 			logrus.WithError(err).Panic("Failed to open naffka database")
 		}