diff --git a/hosts/copper/services/illuminanced.nix b/hosts/copper/services/illuminanced.nix
index 877eaa7..dde4c64 100644
--- a/hosts/copper/services/illuminanced.nix
+++ b/hosts/copper/services/illuminanced.nix
@@ -41,7 +41,7 @@ let
       illuminance_4 = 200;
       light_4 = 75;
       illuminance_5 = 255;
-      light_5 = 100;
+      light_5 = 99;
     };
   };
   configFile = tomlFormat.generate "illuminanced.toml" cfg;