diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 2832610..4e91532 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -119,8 +119,8 @@ struct leaf_info {
 struct tnode {
 	t_key key;
 	unsigned long parent;
-	unsigned short pos:5;		/* 2log(KEYLENGTH) bits needed */
-	unsigned short bits:5;		/* 2log(KEYLENGTH) bits needed */
+	unsigned char pos;		/* 2log(KEYLENGTH) bits needed */
+	unsigned char bits;		/* 2log(KEYLENGTH) bits needed */
 	unsigned short full_children;	/* KEYLENGTH bits needed */
 	unsigned short empty_children;	/* KEYLENGTH bits needed */
 	struct rcu_head rcu;