diff --git a/tests/lib/rules/no-empty-glimmer-component-classes.js b/tests/lib/rules/no-empty-glimmer-component-classes.js
index 23d0af3319..394be8622b 100644
--- a/tests/lib/rules/no-empty-glimmer-component-classes.js
+++ b/tests/lib/rules/no-empty-glimmer-component-classes.js
@@ -66,7 +66,7 @@ ruleTester.run('no-empty-glimmer-component-classes', rule, {
         import Component from '@glimmer/component';
 
         export interface SomeSig {}
-        export in
+        export interface SomeOtherSig {}
 
         export default class MyComponent<SomeSig> extends Component<SomeOtherSig> {}
       `,