diff --git a/implementations/javascript/src/values.ts b/implementations/javascript/src/values.ts
index 7a6a040..efcd593 100644
--- a/implementations/javascript/src/values.ts
+++ b/implementations/javascript/src/values.ts
@@ -653,6 +653,10 @@ export class Set extends FlexSet<Value> {
         return result;
     }
 
+    toString(): string {
+        return this.asPreservesText();
+    }
+
     asPreservesText(): string {
         return '#{' +
             Array.from(_iterMap(this.values(), v => v.asPreservesText())).join(', ') +