diff --git a/addon/utils/bind-data-test-attributes.js b/addon/utils/bind-data-test-attributes.js
index 906f871a..a6269f34 100644
--- a/addon/utils/bind-data-test-attributes.js
+++ b/addon/utils/bind-data-test-attributes.js
@@ -39,7 +39,7 @@ export default function bindDataTestAttributes(component) {
     attributeBindings = [attributeBindings];
   }
 
-  dataTestProperties.forEach(it => attributeBindings.push(it));
+  dataTestProperties.forEach(it => attributeBindings.slice().push(it));
 
   component.set('attributeBindings', attributeBindings);
 }