diff --git a/dotfiles/systemd/xssproxy.service b/dotfiles/systemd/xssproxy.service
index bafd90c..8b1d5f5 100644
--- a/dotfiles/systemd/xssproxy.service
+++ b/dotfiles/systemd/xssproxy.service
@@ -5,5 +5,5 @@ PartOf=graphical-session.target
 [Service]
 Type=dbus
 BusName=org.freedesktop.ScreenSaver
-ExecStart=%h/.nix-profile/bin/xssproxy -v
+ExecStart=%h/.nix-profile/bin/xssproxy -v -i firefox
 Restart=on-failure