diff --git a/test/data/header.php b/test/data/header.php
new file mode 100644
index 0000000..e2a57db
--- /dev/null
+++ b/test/data/header.php
@@ -0,0 +1 @@
+<p>I am the header</p>
\ No newline at end of file
diff --git a/test/data/sub/content.php b/test/data/sub/content.php
new file mode 100644
index 0000000..3f81e4a
--- /dev/null
+++ b/test/data/sub/content.php
@@ -0,0 +1,5 @@
+<?php
+include "../header.php";
+?>
+
+<p>I am the content</p>
\ No newline at end of file
diff --git a/test/execPHP.test.js b/test/execPHP.test.js
index 4b9d48d..ab6a69a 100644
--- a/test/execPHP.test.js
+++ b/test/execPHP.test.js
@@ -8,7 +8,7 @@ const PHP = new ExecPHP()
 PHP.php = phpPath
 
 const mock_res = {
-  status: _status => { }
+  status: _status => {}
 }
 
 describe('parse from file', function () {
@@ -16,4 +16,9 @@ describe('parse from file', function () {
     const html = await PHP.parseFile(path.join(__dirname, 'data/bonjour.php'), mock_res)
     expect(html).toContain(`<p>Bonjour le monde!</p>`)
   })
+
+  it('should work with relative import paths', async () => {
+    const html = await PHP.parseFile(path.join(__dirname, 'data/sub/content.php'), mock_res)
+    expect(html.replace(/\r?\n/g, '')).toContain('<p>I am the header</p><p>I am the content</p>')
+  })
 })