diff --git a/include/net/ip6_checksum.h b/include/net/ip6_checksum.h
index 68e2b32cf1d6..bc1b0fda2b04 100644
--- a/include/net/ip6_checksum.h
+++ b/include/net/ip6_checksum.h
@@ -87,7 +87,7 @@ static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
 	carry = (sum < uproto);
 	sum += carry;
 
-	return csum_fold((__force __wsum)csum);
+	return csum_fold((__force __wsum)sum);
 }
 
 #endif