diff --git a/packages/apps-config/src/api/spec/index.ts b/packages/apps-config/src/api/spec/index.ts
index 868b07d9bb..b722606f85 100644
--- a/packages/apps-config/src/api/spec/index.ts
+++ b/packages/apps-config/src/api/spec/index.ts
@@ -21,6 +21,7 @@ import kilt from './kilt';
 import nodle from './nodle';
 import phala from './phala';
 import plasm from './plasm';
+import plasmParachain from './plasm-parachain';
 import polkadex from './polkadex';
 import robonomics from './robonomics';
 import stablePoc from './stable-poc';
@@ -53,6 +54,7 @@ export default {
   'nodle-chain': nodle,
   'phala-node': phala,
   plasm,
+  'plasm-parachain': plasmParachain,
   robonomics,
   'stable-poc': stablePoc,
   stable_poc: stablePoc,
diff --git a/packages/apps-config/src/api/spec/plasm-parachain.ts b/packages/apps-config/src/api/spec/plasm-parachain.ts
new file mode 100644
index 0000000000..68119d2e2d
--- /dev/null
+++ b/packages/apps-config/src/api/spec/plasm-parachain.ts
@@ -0,0 +1,10 @@
+// Copyright 2017-2021 @polkadot/apps-config authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+// structs need to be in order
+/* eslint-disable sort-keys */
+
+export default {
+  Address: 'MultiAddress',
+  LookupSource: 'MultiAddress'
+};