diff --git a/app/render/backend/videorenderworker.cpp b/app/render/backend/videorenderworker.cpp
index 33abf0537..6fe79f7ee 100644
--- a/app/render/backend/videorenderworker.cpp
+++ b/app/render/backend/videorenderworker.cpp
@@ -180,7 +180,8 @@ void VideoRenderWorker::HashNodeRecursively(QCryptographicHash *hash, const Node
 
             // Footage timestamp
             if (stream->type() == Stream::kVideo) {
-              hash->addData(QStringLiteral("%1/%2").arg(input_time.numerator(), input_time.denominator()).toUtf8());
+              hash->addData(QStringLiteral("%1/%2").arg(QString::number(input_time.numerator()),
+                                                        QString::number(input_time.denominator())).toUtf8());
               /*Decoder::RetrieveState state = decoder->GetRetrieveState(input_time);
 
               if (state == Decoder::kReady) {