diff --git a/lib/bcoin/chain.js b/lib/bcoin/chain.js
index c0937331..308f6925 100644
--- a/lib/bcoin/chain.js
+++ b/lib/bcoin/chain.js
@@ -528,7 +528,8 @@ Chain.prototype.toJSON = function toJSON() {
 Chain.prototype.fromJSON = function fromJSON(json) {
   assert.equal(json.v, 1);
   assert.equal(json.type, 'chain');
-  assert.equal(json.network, network.type);
+  if (json.network)
+    assert.equal(json.network, network.type);
   this.index.hashes = json.hashes.slice();
   this.index.ts = json.ts.slice();
   this.index.heights = json.heights.slice();
diff --git a/lib/bcoin/wallet.js b/lib/bcoin/wallet.js
index 4b21ba97..dc4864aa 100644
--- a/lib/bcoin/wallet.js
+++ b/lib/bcoin/wallet.js
@@ -434,7 +434,8 @@ Wallet.prototype.toJSON = function toJSON() {
 Wallet.fromJSON = function fromJSON(json) {
   assert.equal(json.v, 1);
   assert.equal(json.type, 'wallet');
-  assert.equal(json.network, network.type);
+  if (json.network)
+    assert.equal(json.network, network.type);
 
   var priv;
   var pub;