1 files changed, 6 insertions, 4 deletions
diff --git a/src/corelib/global/qrandom.h b/src/corelib/global/qrandom.h
index 2f72528266..445b520c76 100644
--- a/src/corelib/global/qrandom.h
+++ b/src/corelib/global/qrandom.h
@@ -122,14 +122,16 @@ public:
         return quint32(value);
     }
 
-    int bounded(int highest)
+    quint32 bounded(quint32 lowest, quint32 highest)
     {
-        return int(bounded(quint32(highest)));
+        Q_ASSERT(highest > lowest);
+        return bounded(highest - lowest) + lowest;
     }
 
-    quint32 bounded(quint32 lowest, quint32 highest)
+    int bounded(int highest)
     {
-        return bounded(highest - lowest) + lowest;
+        Q_ASSERT(highest > 0);
+        return int(bounded(0U, quint32(highest)));
     }
 
     int bounded(int lowest, int highest)