diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index c39ec5b..01c8ad3 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -1869,8 +1869,9 @@
 {
 	int i;
 
-	for (i = NUM_RCU_LVLS - 1; i >= 0; i--)
+	for (i = NUM_RCU_LVLS - 1; i > 0; i--)
 		rsp->levelspread[i] = CONFIG_RCU_FANOUT;
+	rsp->levelspread[0] = RCU_FANOUT_LEAF;
 }
 #else /* #ifdef CONFIG_RCU_FANOUT_EXACT */
 static void __init rcu_init_levelspread(struct rcu_state *rsp)