2 files changed, 5 insertions, 0 deletions
diff --git a/src/tools/qdoc/main.cpp b/src/tools/qdoc/main.cpp
index 398d188464..3d2ee409b0 100644
--- a/src/tools/qdoc/main.cpp
+++ b/src/tools/qdoc/main.cpp
@@ -542,6 +542,7 @@ static void processQdocconfFile(const QString &fileName)
     Generator::debugSegfault("qdoc finished!");
 }
 
+extern Q_CORE_EXPORT QBasicAtomicInt qt_qhash_seed;
 QT_END_NAMESPACE
 
 int main(int argc, char **argv)
@@ -549,6 +550,7 @@ int main(int argc, char **argv)
     QT_USE_NAMESPACE
 
 #ifndef QT_BOOTSTRAPPED
+    qt_qhash_seed.testAndSetRelaxed(-1, 0); // set the hash seed to 0 if it wasn't set yet
     QCoreApplication app(argc, argv);
 #endif
 
diff --git a/src/tools/uic/main.cpp b/src/tools/uic/main.cpp
index cb2bd430ff..12b0ee6737 100644
--- a/src/tools/uic/main.cpp
+++ b/src/tools/uic/main.cpp
@@ -52,9 +52,12 @@
 #include <qcommandlineparser.h>
 
 QT_BEGIN_NAMESPACE
+extern Q_CORE_EXPORT QBasicAtomicInt qt_qhash_seed;
 
 int runUic(int argc, char *argv[])
 {
+    qt_qhash_seed.testAndSetRelaxed(-1, 0); // set the hash seed to 0 if it wasn't set yet
+
     QCoreApplication app(argc, argv);
     QCoreApplication::setApplicationVersion(QString::fromLatin1(QT_VERSION_STR));