diff --git a/config/qutebrowser/config.py b/config/qutebrowser/config.py
index 969e0d2..6db5e19 100644
--- a/config/qutebrowser/config.py
+++ b/config/qutebrowser/config.py
@@ -66,6 +66,7 @@ config.bind("L", "tab-next")
 config.unbind("T")
 config.bind("af", "spawn --userscript freshrss")
 config.bind("as", "spawn --userscript shaarli")
+config.bind("u", "undo --window")
 
 dirname = os.path.dirname(__file__)
 filename = os.path.join(dirname, "theme.py")