diff --git a/qutebrowser/utils/javascript.py b/qutebrowser/utils/javascript.py
index 9eef12e72..4fc7e546c 100644
--- a/qutebrowser/utils/javascript.py
+++ b/qutebrowser/utils/javascript.py
@@ -64,8 +64,8 @@ def _convert_js_arg(arg):
 def assemble(module, function, *args):
     """Assemble a javascript file and a function call."""
     js_args = ', '.join(_convert_js_arg(arg) for arg in args)
-    if module in ['window', 'document']:
-        parts = [module, function]
+    if module == 'window':
+        parts = ['window', function]
     else:
         parts = ['window', '_qutebrowser', module, function]
     code = '"use strict";\n{}({});'.format('.'.join(parts), js_args)
diff --git a/tests/unit/utils/test_javascript.py b/tests/unit/utils/test_javascript.py
index f379322e8..298a75312 100644
--- a/tests/unit/utils/test_javascript.py
+++ b/tests/unit/utils/test_javascript.py
@@ -142,7 +142,6 @@ def test_convert_js_arg(arg, expected):
 
 @pytest.mark.parametrize('base, expected_base', [
     ('window', 'window'),
-    ('document', 'document'),
     ('foo', 'window._qutebrowser.foo'),
 ])
 def test_assemble(base, expected_base):