diff --git a/ospfd/ospf_te.h b/ospfd/ospf_te.h
index 8a7a98c..e8511cd 100644
--- a/ospfd/ospf_te.h
+++ b/ospfd/ospf_te.h
@@ -73,10 +73,10 @@
 };
 
 #define TLV_HDR_SIZE \
-	sizeof (struct te_tlv_header)
+	(sizeof (struct te_tlv_header))
 
 #define TLV_BODY_SIZE(tlvh) \
-	ROUNDUP (ntohs ((tlvh)->length), sizeof (u_int32_t))
+	(ROUNDUP (ntohs ((tlvh)->length), sizeof (u_int32_t)))
 
 #define TLV_SIZE(tlvh) \
 	(TLV_HDR_SIZE + TLV_BODY_SIZE(tlvh))