diff --git a/implementations/javascript/src/record.ts b/implementations/javascript/src/record.ts
index 825b9ce..72c0aa5 100644
--- a/implementations/javascript/src/record.ts
+++ b/implementations/javascript/src/record.ts
@@ -71,11 +71,11 @@ export class Record<T extends object = DefaultPointer> extends Array<Value<T>> {
             }).join(', ') + ')';
     }
 
-    static makeConstructor<T extends object = DefaultPointer>(labelSymbolText: string, fieldNames: string[]): RecordConstructor<T> {
+    static makeConstructor<T extends object = any>(labelSymbolText: string, fieldNames: string[]): RecordConstructor<T> {
         return Record.makeBasicConstructor<T>(Symbol.for(labelSymbolText), fieldNames);
     }
 
-    static makeBasicConstructor<T extends object = DefaultPointer>(label: Value<T>, fieldNames: string[]): RecordConstructor<T> {
+    static makeBasicConstructor<T extends object = any>(label: Value<T>, fieldNames: string[]): RecordConstructor<T> {
         const arity = fieldNames.length;
         const ctor: RecordConstructor<T> = (...fields: Value<T>[]): Record<T> => {
             if (fields.length !== arity) {