diff --git a/reactos/lib/crt/misc/tls.c b/reactos/lib/crt/misc/tls.c
index 9fa6d036ac0..71723211106 100644
--- a/reactos/lib/crt/misc/tls.c
+++ b/reactos/lib/crt/misc/tls.c
@@ -14,6 +14,8 @@ static void InitThreadData(PTHREADDATA ThreadData)
 
    ThreadData->fpecode = 0;
 
+   ThreadData->tnext = 1;
+
    /* FIXME: init more thread local data */
 
 }
diff --git a/reactos/lib/crt/stdlib/rand.c b/reactos/lib/crt/stdlib/rand.c
index 1d53a4f4d5d..f788ecf72ab 100644
--- a/reactos/lib/crt/stdlib/rand.c
+++ b/reactos/lib/crt/stdlib/rand.c
@@ -11,7 +11,7 @@ rand(void)
 {
   PTHREADDATA ThreadData = GetThreadData();
 
-  ThreadData->tnext = ThreadData->tnext * 0x5deece66dLL + 11;
+  ThreadData->tnext = ThreadData->tnext * 0x5deece66dLL + 2531011;
   return (int)((ThreadData->tnext >> 16) & RAND_MAX);
 }