diff --git a/ext/libstrawberry-common/core/workerpool.h b/ext/libstrawberry-common/core/workerpool.h
index 00f78ff4..7149cf93 100644
--- a/ext/libstrawberry-common/core/workerpool.h
+++ b/ext/libstrawberry-common/core/workerpool.h
@@ -279,9 +279,9 @@ void WorkerPool<HandlerType>::StartOneWorker(Worker *worker) {
   // Create a server, find an unused name and start listening
   forever {
 #if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
-    const qint32 unique_number = QRandomGenerator::global()->bounded(static_cast<qint32>(quint64(this) & 0xFFFFFFFF));
+    const quint32 unique_number = QRandomGenerator::global()->bounded(static_cast<quint32>(quint64(this) & 0xFFFFFFFF));
 #else
-    const qint32 unique_number = qrand() ^ (static_cast<qint32>(quint64(this) & 0xFFFFFFFF));
+    const quint32 unique_number = qrand() ^ (static_cast<quint32>(quint64(this) & 0xFFFFFFFF));
 #endif
     const QString name = QString("%1_%2").arg(local_server_name_).arg(unique_number);