diff --git a/lektor_pythonmarkdown.py b/lektor_pythonmarkdown.py
index 9028d5b320b11617e7ba4eaaa484b8e639690d01..171c8c528ae409ec46f18fd6cc0d31502e1ade86 100644
--- a/lektor_pythonmarkdown.py
+++ b/lektor_pythonmarkdown.py
@@ -33,7 +33,7 @@ def sanitize_url(self, link):
     if get_ctx() and get_ctx().record is not None:
         url = url_parse(link)
         if not url.scheme:
-            link = get_ctx().record.url_to(link,
+            link = get_ctx().record.url_to("!" + link,
                                       base_url=get_ctx().base_url)
     return LinkPattern.sanitize_url(self, link)
 
diff --git a/tests/demo-project/content/contents.lr b/tests/demo-project/content/contents.lr
index 8f5c1aac048261f68e50deb2f5fbb4d0f8bc0375..ca90ac749e07a128ae8a34c6b13d7981d52bb36b 100644
--- a/tests/demo-project/content/contents.lr
+++ b/tests/demo-project/content/contents.lr
@@ -15,7 +15,7 @@ code here
 [Link to Invalid Page](invalid-page)
 
 
-![alttxt](sub-page)
+![alttxt](logo.png)
 
 ## Check references
 
diff --git a/tests/demo-project/content/logo.png b/tests/demo-project/content/logo.png
new file mode 100644
index 0000000000000000000000000000000000000000..fea6b8ca659cbf3ec84d8a5150567e2175f0b197
Binary files /dev/null and b/tests/demo-project/content/logo.png differ
diff --git a/tests/demo-project/demo.lektorproject b/tests/demo-project/demo.lektorproject
index c263d769a123a5bb370a43705e0de84e64cd3b03..4be81a14fc4c970b0707692e526d1125f60e379f 100644
--- a/tests/demo-project/demo.lektorproject
+++ b/tests/demo-project/demo.lektorproject
@@ -1,2 +1,16 @@
 [project]
 name = demo
+url_style=absolute
+
+[alternatives.en]
+name = English
+name[fr] = Anglais
+locale = en_US
+url_prefix = /en/
+
+[alternatives.fr]
+primary = yes
+name = French
+name[fr] = Français
+url_prefix = /fr/
+locale = fr
\ No newline at end of file
diff --git a/tests/test_lektor_pythonmarkdown.py b/tests/test_lektor_pythonmarkdown.py
index 84f6e5d671a6ec38f94a74707b977e9c08fca14a..221ecd2b2dd8c41dab2f656414a21e9ac36f3321 100644
--- a/tests/test_lektor_pythonmarkdown.py
+++ b/tests/test_lektor_pythonmarkdown.py
@@ -34,7 +34,7 @@ class TestLektorPythonMarkdown(unittest.TestCase):
     def test_basic(self):
         failures = self.builder.build_all()
         assert not failures
-        page_path = os.path.join(self.builder.destination_path, 'index.html')
+        page_path = os.path.join(self.builder.destination_path, 'fr/index.html')
         html = open(page_path).read()
         print(html)
         assert '<h1 id="header-1">Header 1</h1>' in html
@@ -42,12 +42,12 @@ class TestLektorPythonMarkdown(unittest.TestCase):
         # The output changes depending on the version of python-markdown uses.
         # assert '<pre class="codehilite"><code class="linenums">code here</code></pre>' in html
         # Check url & image substitution
-        assert '<a href="./sub-page/">Link to Sub Page</a>' in html
-        assert '<a href="./slug-url/">Link to Slug</a>' in html
-        assert '<a href="./invalid-page">Link to Invalid Page</a>' in html
-        assert '<img alt="alttxt" src="./sub-page/" />' in html
+        assert '<a href="/fr/sub-page">Link to Sub Page</a>' in html
+        assert '<a href="/fr/sub-page-slug">Link to Slug</a>' in html
+        assert '<a href="/fr/invalid-page">Link to Invalid Page</a>' in html
+        assert '<img alt="alttxt" src="/fr/logo.png" />' in html
         # Check references
-        assert '<a href="./sub-page/" title="Sub Page">Sub Page</a>' in html
+        assert '<a href="/fr/sub-page/" title="Sub Page">Sub Page</a>' in html
         assert '<a href="http://search.yahoo.com/" title="Yahoo Search">Yahoo</a>' in html