diff --git a/tests/unit/browser/network/test_filescheme.py b/tests/unit/browser/network/test_filescheme.py
index 126f81df5..1507d9a00 100644
--- a/tests/unit/browser/network/test_filescheme.py
+++ b/tests/unit/browser/network/test_filescheme.py
@@ -28,6 +28,7 @@ from PyQt5.QtCore import QUrl
 from PyQt5.QtNetwork import QNetworkRequest
 
 from qutebrowser.browser.network import filescheme
+from qutebrowser.utils import jinja
 
 
 @pytest.mark.parametrize('create_file, create_dir, filterfunc, expected', [
@@ -76,6 +77,15 @@ class TestIsRoot:
         assert filescheme.is_root(directory) == is_root
 
 
+def _file_url(path):
+    """Return a file:// url (as string) for the given LocalPath.
+
+    Arguments:
+        path: The filepath as LocalPath (as handled by py.path)
+    """
+    return jinja.file_url(str(path))
+
+
 class TestDirbrowserHtml:
 
     Parsed = collections.namedtuple('Parsed', 'parent, folders, files')
@@ -149,8 +159,8 @@ class TestDirbrowserHtml:
         parsed = parser(str(tmpdir))
         assert parsed.parent
         assert not parsed.folders
-        foo_item = self.Item('file://' + str(foo_file), foo_file.relto(tmpdir))
-        bar_item = self.Item('file://' + str(bar_file), bar_file.relto(tmpdir))
+        foo_item = self.Item(_file_url(foo_file), foo_file.relto(tmpdir))
+        bar_item = self.Item(_file_url(bar_file), bar_file.relto(tmpdir))
         assert parsed.files == [bar_item, foo_item]
 
     def test_html_special_chars(self, tmpdir, parser):
@@ -158,8 +168,7 @@ class TestDirbrowserHtml:
         special_file.ensure()
 
         parsed = parser(str(tmpdir))
-        item = self.Item('file://' + str(special_file),
-                         special_file.relto(tmpdir))
+        item = self.Item(_file_url(special_file), special_file.relto(tmpdir))
         assert parsed.files == [item]
 
     def test_dirs(self, tmpdir, parser):
@@ -171,8 +180,8 @@ class TestDirbrowserHtml:
         parsed = parser(str(tmpdir))
         assert parsed.parent
         assert not parsed.files
-        foo_item = self.Item('file://' + str(foo_dir), foo_dir.relto(tmpdir))
-        bar_item = self.Item('file://' + str(bar_dir), bar_dir.relto(tmpdir))
+        foo_item = self.Item(_file_url(foo_dir), foo_dir.relto(tmpdir))
+        bar_item = self.Item(_file_url(bar_dir), bar_dir.relto(tmpdir))
         assert parsed.folders == [bar_item, foo_item]
 
     def test_mixed(self, tmpdir, parser):
@@ -182,8 +191,8 @@ class TestDirbrowserHtml:
         bar_dir.ensure(dir=True)
 
         parsed = parser(str(tmpdir))
-        foo_item = self.Item('file://' + str(foo_file), foo_file.relto(tmpdir))
-        bar_item = self.Item('file://' + str(bar_dir), bar_dir.relto(tmpdir))
+        foo_item = self.Item(_file_url(foo_file), foo_file.relto(tmpdir))
+        bar_item = self.Item(_file_url(bar_dir), bar_dir.relto(tmpdir))
         assert parsed.parent
         assert parsed.files == [foo_item]
         assert parsed.folders == [bar_item]