diff --git a/addon/modifiers/did-resize.js b/addon/modifiers/did-resize.js
index c840fecf..cfda42a9 100644
--- a/addon/modifiers/did-resize.js
+++ b/addon/modifiers/did-resize.js
@@ -1,6 +1,6 @@
 import Modifier from 'ember-modifier';
 
-export default class DidIntersectModifier extends Modifier {
+export default class DidResizeModifier extends Modifier {
   // Public API
   handler = null;
 
diff --git a/tests/integration/modifiers/did-resize-test.js b/tests/integration/modifiers/did-resize-test.js
index 078c93cf..04b4d80a 100644
--- a/tests/integration/modifiers/did-resize-test.js
+++ b/tests/integration/modifiers/did-resize-test.js
@@ -71,4 +71,13 @@ module('Integration | Modifier | did-resize', function (hooks) {
     assert.ok(element, 'element was passed to observe');
     assert.equal(options, this.options, 'options were correctly passed');
   });
+
+  test('modifier graceful no-op if ResizeObserver does not exist', async function (assert) {
+    delete window.ResizeObserver;
+
+    await render(hbs`<div {{did-resize this.resizeStub}}></div>`);
+
+    assert.notOk(resizeCallback, 'no callback received');
+    assert.notOk(observeStub.calledOnce, 'observe was not called');
+  });
 });