diff --git a/qutebrowser/mainwindow/tabbedbrowser.py b/qutebrowser/mainwindow/tabbedbrowser.py
index dc18fd673..9f027f6f1 100644
--- a/qutebrowser/mainwindow/tabbedbrowser.py
+++ b/qutebrowser/mainwindow/tabbedbrowser.py
@@ -533,7 +533,7 @@ class TabbedBrowser(tabwidget.TabWidget):
             # We can get signals for tabs we already deleted...
             return
         self.setTabIcon(idx, tab.icon())
-        if idx == self.currentIndex() and config.get('tabs', 
+        if idx == self.currentIndex() and config.get('tabs',
                                                      'tabs-are-windows'):
             self.window().setWindowIcon(tab.icon())