diff --git a/include/common/hpack-tbl.h b/include/common/hpack-tbl.h
index 824c400..ffa866b 100644
--- a/include/common/hpack-tbl.h
+++ b/include/common/hpack-tbl.h
@@ -216,8 +216,10 @@
  */
 static inline int hpack_dht_make_room(struct hpack_dht *dht, unsigned int needed)
 {
-	if (!dht->used || dht->used * 32 + dht->total + needed + 32 <= dht->size)
+	if (dht->used * 32 + dht->total + needed + 32 <= dht->size)
 		return 1;
+	else if (!dht->used)
+		return 0;
 
 	return __hpack_dht_make_room(dht, needed);
 }