diff --git a/packages/redux-devtools-core/test/app.spec.js b/packages/redux-devtools-core/test/app.spec.js
index b497efe1..bafc756e 100644
--- a/packages/redux-devtools-core/test/app.spec.js
+++ b/packages/redux-devtools-core/test/app.spec.js
@@ -40,6 +40,6 @@ describe('App container', () => {
           return className && className.startsWith('actionListRows-');
         })
         .html()
-    ).toMatch(/<div class="actionListRows-\d-\d+"><\/div>/);
+    ).toMatch(/<div class="actionListRows-\d-\d-\d+"><\/div>/);
   });
 });