diff --git a/home-manager/home.nix b/home-manager/home.nix
index c31274c..b0ebf65 100644
--- a/home-manager/home.nix
+++ b/home-manager/home.nix
@@ -114,7 +114,7 @@ in
 		};
 		"scripts/wallpaper-updater.sh" = {
 			text = ''
-				magick input.png -fuzz 10% -fill ${BG} -opaque "$(convert input.png -format "%[pixel:u.p{0,0}]" info:-)" output.png
+				magick input.png -fuzz 10% -fill #${BG} -opaque "$(convert input.png -format "%[pixel:u.p{0,0}]" info:-)" output.png
 			'';
 			executable = true;
 		};