commit 00f4f019db4fc7c21a947873b7159092b0ceafb7
Author: Christian Ehringfeld <c.ehringfeld@mailbox.org>
Date:   Sat Jul 14 22:34:06 2018 +0200

    refs #642

diff --git a/src/entitymanager.cpp b/src/entitymanager.cpp
index 4e958fa..e4f5148 100644
--- a/src/entitymanager.cpp
+++ b/src/entitymanager.cpp
@@ -225,6 +225,9 @@ bool EntityManager::save(QList<QSharedPointer<Entity>> &entities,
 
 bool EntityManager::startup(QString version, QStringList toInitialize,
                             bool createIndices) {
+#ifdef QT_DEBUG
+    qSetGlobalQHashSeed(0);
+#endif
     QSharedPointer<Entity> dbm = QSharedPointer<DatabaseMigration>
             (new DatabaseMigration());
     QHash<QString, QVariant> map = QHash<QString, QVariant>();