diff --git a/test/htmls/og-image.html b/test/htmls/og-image.html
new file mode 100644
index 0000000..3c380d7
--- /dev/null
+++ b/test/htmls/og-image.html
@@ -0,0 +1,13 @@
+<!doctype html>
+
+<html lang="en">
+	<head>
+		<meta charset="utf-8">
+		<meta property="og:image" content="https://himasaku.net/himasaku.png">
+		<title>YEE HAW</title>
+	</head>
+	<body>
+		<h1>Yo</h1>
+		<p>Hey hey hey syuilo.</p>
+	</body>
+</html>
diff --git a/test/index.js b/test/index.js
index b251395..c3f3989 100644
--- a/test/index.js
+++ b/test/index.js
@@ -48,4 +48,17 @@ describe('OGP', () => {
 			done();
 		});
 	});
+
+	it('thumbnail', done => {
+		const app = express();
+		app.use((req, res) => {
+			res.sendFile(__dirname + '/htmls/og-image.html');
+		});
+		const server = app.listen(80, async () => {
+			const summary = await summaly('http://localhost');
+			assert.equal(summary.thumbnail, 'https://himasaku.net/himasaku.png');
+			server.close();
+			done();
+		});
+	});
 });
