diff --git a/stream-server-side-events/db.js b/stream-server-side-events/db.js
index 3201919..3f7d07b 100644
--- a/stream-server-side-events/db.js
+++ b/stream-server-side-events/db.js
@@ -27,5 +27,5 @@ function Subscription(options) {
 }
 
 Subscription.prototype._read = function () {
-  while (this.push(this.value++)) {}
+  while (this.push(String(this.value++))) {}
 };