diff --git a/spec/renderers_spec.moon b/spec/renderers_spec.moon
index ca821fa..ee4e3ff 100644
--- a/spec/renderers_spec.moon
+++ b/spec/renderers_spec.moon
@@ -86,3 +86,11 @@ this code block has no label
 
       assert.same [[<div class="sourceCode" id="cb1"><pre
 class="sourceCode heex"><code class="sourceCode elixir"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="op">&lt;.</span>greet name<span class="op">=</span><span class="st">&quot;Jane&quot;</span><span class="op">/&gt;</span></span></code></pre></div>]], out
+
+    it "escapes and unescapes double dollar signs", ->
+      out = flatten_html render [[
+```Makefile
+  $$name
+```]]
+
+      assert.same [[<div class="highlight"><pre><span></span><code><span class="py-w"></span><span class="py-nv">$$name</span></code></pre></div>]], out