diff --git a/qutebrowser/utils/utils.py b/qutebrowser/utils/utils.py
index da1ddf085..4554aef2e 100644
--- a/qutebrowser/utils/utils.py
+++ b/qutebrowser/utils/utils.py
@@ -510,11 +510,13 @@ def sanitize_filename(name, replacement='_'):
 
 def set_clipboard(data, selection=False):
     """Set the clipboard to some given data."""
+    global fake_clipboard
     if selection and not supports_selection():
         raise SelectionUnsupportedError
     if log_clipboard:
         what = 'primary selection' if selection else 'clipboard'
         log.misc.debug("Setting fake {}: {}".format(what, json.dumps(data)))
+        fake_clipboard = data
     else:
         mode = QClipboard.Selection if selection else QClipboard.Clipboard
         QApplication.clipboard().setText(data, mode=mode)
diff --git a/tests/end2end/features/conftest.py b/tests/end2end/features/conftest.py
index 4752e2393..d81c40b2a 100644
--- a/tests/end2end/features/conftest.py
+++ b/tests/end2end/features/conftest.py
@@ -599,7 +599,7 @@ def check_open_tabs(quteproc, request, tabs):
                          r'contain "(?P<content>.*)"'))
 def clipboard_contains(quteproc, server, what, content):
     expected = content.replace('(port)', str(server.port))
-    expected = expected.replace('\\n', '\n')
+    expected = expected.replace('\\n', os.linesep)
     quteproc.wait_for(message='Setting fake {}: {}'.format(
         what, json.dumps(expected)))
 
diff --git a/tests/unit/utils/test_utils.py b/tests/unit/utils/test_utils.py
index df0eb9ecb..ef2b6c8d4 100644
--- a/tests/unit/utils/test_utils.py
+++ b/tests/unit/utils/test_utils.py
@@ -651,6 +651,7 @@ class TestGetSetClipboard:
                          autospec=True)
         clipboard = m()
         clipboard.text.return_value = 'mocked clipboard text'
+        mocker.patch('qutebrowser.utils.utils.fake_clipboard', None)
         return clipboard
 
     def test_set(self, clipboard_mock, caplog):