diff --git a/src/corelib/global/qrandom.h b/src/corelib/global/qrandom.h
index bde64646a48..005de0941ff 100644
--- a/src/corelib/global/qrandom.h
+++ b/src/corelib/global/qrandom.h
@@ -177,7 +177,8 @@ private:
     friend class QRandomGenerator64;
     struct SystemGenerator;
     struct SystemAndGlobalGenerators;
-    typedef std::mt19937 RandomEngine;
+    using RandomEngine = std::mersenne_twister_engine<quint32,
+        32,624,397,31,0x9908b0df,11,0xffffffff,7,0x9d2c5680,15,0xefc60000,18,1812433253>;
 
     union Storage {
         uint dummy;