diff --git a/examples/javascript/isr.js b/examples/javascript/isr.js
index d400c0d23..9abcb1fc2 100644
--- a/examples/javascript/isr.js
+++ b/examples/javascript/isr.js
@@ -8,3 +8,9 @@ function h() {
 
 x = new m.Gpio(14)
 x.isr(m.EDGE_BOTH, h)
+
+setInterval(function() {
+    // It's important to refer to our GPIO context here,
+    // otherwise it will be garbage-collected
+    console.log("Waiting for an interrupt at GPIO pin " + x.getPin() + "...")
+}, 10000)