diff --git a/scripts/dev/check_coverage.py b/scripts/dev/check_coverage.py
index d2615065d..2a0a90b99 100644
--- a/scripts/dev/check_coverage.py
+++ b/scripts/dev/check_coverage.py
@@ -44,6 +44,7 @@ PERFECT_FILES = [
     'qutebrowser/mainwindow/statusbar/keystring.py',
     'qutebrowser/mainwindow/statusbar/percentage.py',
     'qutebrowser/mainwindow/statusbar/progress.py',
+    'qutebrowser/mainwindow/statusbar/tabindex.py',
 
     'qutebrowser/config/configtypes.py',
     'qutebrowser/config/configdata.py',
diff --git a/tests/mainwindow/statusbar/test_tabindex.py b/tests/mainwindow/statusbar/test_tabindex.py
new file mode 100644
index 000000000..60c31bcfa
--- /dev/null
+++ b/tests/mainwindow/statusbar/test_tabindex.py
@@ -0,0 +1,38 @@
+# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
+
+# Copyright 2014-2015 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
+#
+# This file is part of qutebrowser.
+#
+# qutebrowser is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# qutebrowser is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
+
+
+"""Test TabIndex widget."""
+
+import pytest
+
+from qutebrowser.mainwindow.statusbar.tabindex import TabIndex
+
+
+@pytest.fixture
+def tabindex(qtbot):
+    widget = TabIndex()
+    qtbot.add_widget(widget)
+    return widget
+
+
+def test_tab_change(tabindex):
+    """Make sure the tab index gets set correctly when switching tabs."""
+    tabindex.on_tab_index_changed(0, 2)
+    assert tabindex.text() == '[1/2]'