diff --git a/oni/home/data/config.scm b/oni/home/data/config.scm
index b633791..f87797a 100644
--- a/oni/home/data/config.scm
+++ b/oni/home/data/config.scm
@@ -261,7 +261,7 @@
                 ((mod4 t) . "herbstclient spawn hlwm-run-or-raise \"\\(URxct\\|Hyper\\|kitty\\)\" kitty")
                 ((mod4 b) . "herbstclient spawn hlwm-run-or-raise \"\\(Conkeror\\|[Ff]irefox\\|Chromium\\|Next\\|qutebrowser\\)\" firefox")
                 ((mod4 e) . "herbstclient spawn hlwm-run-or-raise Emacs emacsclient --create-frame")
-                ((control mod1 l) . "herbstclient spawn i3lock")
+                ((control mod1 l) . "herbstclient spawn i3lock --color=000000")
                 ((mod4 x) . "herbstclient spawn hlwm-switch-tags")
                 ((mod4 shift b) . "herbstclient shift left")
                 ((mod4 shift n) . "herbstclient shift down")