diff --git a/web3.js/src/connection.ts b/web3.js/src/connection.ts
index 9a746f3073..9e643a9330 100644
--- a/web3.js/src/connection.ts
+++ b/web3.js/src/connection.ts
@@ -3712,7 +3712,7 @@ export class Connection {
         disposeSignatureSubscriptionStateChangeObserver();
         disposeSignatureSubscriptionStateChangeObserver = undefined;
       }
-      if (signatureSubscriptionId) {
+      if (signatureSubscriptionId != null) {
         this.removeSignatureListener(signatureSubscriptionId);
         signatureSubscriptionId = undefined;
       }