diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index b071543..72a6598 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -360,6 +360,7 @@
 		break;
 	case XFRM_MODE_TUNNEL:
 		x->props.header_len += sizeof(struct ipv6hdr);
+		break;
 	default:
 		goto error;
 	}