diff --git a/home-manager/home.nix b/home-manager/home.nix
index c8b860c..5755e66 100644
--- a/home-manager/home.nix
+++ b/home-manager/home.nix
@@ -119,7 +119,7 @@ in
 			text = ''
 				run_a_command() {
 					if [[ "$light" == "DAY" ]]; then
-						notify-send "day"
+						sed -i 's|MODE\ =\ "$(.*?);"|MODE\ =\ "light";/' $HOME/.config/home/home.nix
 					else
 						notify-send "night"
 					fi