diff --git a/package.json b/package.json
index f572455f7..fd420c583 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@snapshot-labs/snapshot.js",
-  "version": "0.11.21",
+  "version": "0.11.22",
   "repository": "snapshot-labs/snapshot.js",
   "license": "MIT",
   "main": "dist/snapshot.cjs.js",
diff --git a/src/sign/index.ts b/src/sign/index.ts
index e70ea4736..bf3f7a7e2 100644
--- a/src/sign/index.ts
+++ b/src/sign/index.ts
@@ -83,7 +83,7 @@ export default class Client {
       ...domain
     };
     // @ts-ignore
-    if (window?.ethereum?.isTrust) {
+    if (typeof window !== 'undefined' && window.ethereum?.isTrust) {
       domainData.chainId = (await signer.provider.getNetwork()).chainId;
     }
     const data: any = { domain: domainData, types, message };