diff --git a/src/components/markdown-renderer/markdown-extension/__snapshots__/linkify-fix-markdown-extension.test.tsx.snap b/src/components/markdown-renderer/markdown-extension/__snapshots__/linkify-fix-markdown-extension.test.tsx.snap
new file mode 100644
index 000000000..2ea8d1f1e
--- /dev/null
+++ b/src/components/markdown-renderer/markdown-extension/__snapshots__/linkify-fix-markdown-extension.test.tsx.snap
@@ -0,0 +1,33 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Linkify markdown extensions renders a .rocks link correctly 1`] = `
+<div>
+  <p>
+    <a
+      href="http://example.rocks"
+    >
+      example.rocks
+    </a>
+  </p>
+  
+
+  <p>
+    <a
+      href="http://example.com"
+    >
+      example.com
+    </a>
+  </p>
+  
+
+  <p>
+    <a
+      href="http://example.de"
+    >
+      example.de
+    </a>
+  </p>
+  
+
+</div>
+`;
diff --git a/src/components/markdown-renderer/markdown-extension/linkify-fix-markdown-extension.test.tsx b/src/components/markdown-renderer/markdown-extension/linkify-fix-markdown-extension.test.tsx
new file mode 100644
index 000000000..72c45de35
--- /dev/null
+++ b/src/components/markdown-renderer/markdown-extension/linkify-fix-markdown-extension.test.tsx
@@ -0,0 +1,26 @@
+/*
+ * SPDX-FileCopyrightText: 2022 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { mockI18n } from '../test-utils/mock-i18n'
+import { render } from '@testing-library/react'
+import { TestMarkdownRenderer } from '../test-utils/test-markdown-renderer'
+import { LinkifyFixMarkdownExtension } from './linkify-fix-markdown-extension'
+
+describe('Linkify markdown extensions', () => {
+  beforeAll(async () => {
+    await mockI18n()
+  })
+
+  it('renders a .rocks link correctly', () => {
+    const view = render(
+      <TestMarkdownRenderer
+        extensions={[new LinkifyFixMarkdownExtension()]}
+        content={'example.rocks\n\nexample.com\n\nexample.de'}
+      />
+    )
+    expect(view.container).toMatchSnapshot()
+  })
+})