diff --git a/src/corelib/tools/qhash.cpp b/src/corelib/tools/qhash.cpp
index 4cc9ec8ec8..1662e944cf 100644
--- a/src/corelib/tools/qhash.cpp
+++ b/src/corelib/tools/qhash.cpp
@@ -361,6 +361,7 @@ static void qt_initialize_qhash_seed()
  */
 int qGlobalQHashSeed()
 {
+    qt_initialize_qhash_seed();
     return qt_qhash_seed.load();
 }