diff --git a/tests/integration/components/angle-bracket-invocation-test.js b/tests/integration/components/angle-bracket-invocation-test.js
index 4da0a1c..78a8347 100644
--- a/tests/integration/components/angle-bracket-invocation-test.js
+++ b/tests/integration/components/angle-bracket-invocation-test.js
@@ -353,6 +353,15 @@ module('Integration | Component | angle-bracket-invocation', function(hooks) {
       assert.dom('[data-one="from render"][data-two="from outer"]').hasText('hi martin!');
     });
 
+    test('passing into angle invocation - unused', async function(assert) {
+      this.owner.register('template:components/comp-outer', hbs`<CompInner ...attributes />`);
+      this.owner.register('template:components/comp-inner', hbs`hi martin!`);
+
+      await render(hbs`<CompOuter />`);
+
+      assert.dom('div div').hasText('hi martin!');
+    });
+
     test('passing into element - normal component', async function(assert) {
       this.owner.register(
         'template:components/foo-bar',
diff --git a/vendor/angle-bracket-invocation-polyfill/runtime-polyfill.js b/vendor/angle-bracket-invocation-polyfill/runtime-polyfill.js
index 40b0ae5..c5107f2 100644
--- a/vendor/angle-bracket-invocation-polyfill/runtime-polyfill.js
+++ b/vendor/angle-bracket-invocation-polyfill/runtime-polyfill.js
@@ -232,9 +232,11 @@ import { lte, gte } from 'ember-compatibility-helpers';
                   let angleAttrs = args.get('__ANGLE_ATTRS__');
                   // this use of value is OK because the set of keys isn't allowed to change dynamically
                   let snapshot = angleAttrs.value();
-                  for (let attributeName in snapshot) {
-                    let attributeReference = angleAttrs.get(attributeName);
-                    operations.setAttribute(attributeName, attributeReference, false, null);
+                  if (snapshot) {
+                    for (let attributeName in snapshot) {
+                      let attributeReference = angleAttrs.get(attributeName);
+                      operations.setAttribute(attributeName, attributeReference, false, null);
+                    }
                   }
                 }
               };
@@ -382,18 +384,21 @@ import { lte, gte } from 'ember-compatibility-helpers';
                   // on < 2.15 `namedArgs` is only present when there were arguments
                   if (args && args.has('__ANGLE_ATTRS__')) {
                     let attributeReferences = args.get('__ANGLE_ATTRS__');
-                    let names = Object.keys(attributeReferences.value());
-                    for (let i = 0; i < names.length; i++) {
-                      let attributeName = names[i];
-                      let attributeReference = attributeReferences.get(attributeName);
-
-                      operations.addDynamicAttribute(
-                        element,
-                        attributeName,
-                        attributeReference,
-                        false,
-                        null
-                      );
+                    let snapshot = attributeReferences.value();
+                    if (snapshot) {
+                      let names = Object.keys(snapshot);
+                      for (let i = 0; i < names.length; i++) {
+                        let attributeName = names[i];
+                        let attributeReference = attributeReferences.get(attributeName);
+
+                        operations.addDynamicAttribute(
+                          element,
+                          attributeName,
+                          attributeReference,
+                          false,
+                          null
+                        );
+                      }
                     }
                   }
                 };