diff --git a/bindings/nodejs/lib/types/block/address.ts b/bindings/nodejs/lib/types/block/address.ts
index 0166cadc97..215b172738 100644
--- a/bindings/nodejs/lib/types/block/address.ts
+++ b/bindings/nodejs/lib/types/block/address.ts
@@ -184,7 +184,7 @@ class RestrictedAddress extends Address {
     toString(): string {
         let hex = this.address.toString();
         if (this.allowed_capabilities.some((c) => c != 0)) {
-            var cap = Buffer.from(
+            let cap = Buffer.from(
                 this.allowed_capabilities.buffer,
                 this.allowed_capabilities.byteOffset,
                 this.allowed_capabilities.byteLength,