diff --git a/desktops/hyprland.nix b/desktops/hyprland.nix
index 289197a0..9fdc5a54 100644
--- a/desktops/hyprland.nix
+++ b/desktops/hyprland.nix
@@ -17,10 +17,11 @@
       commands.reboot = [ "systemctl" "reboot" ];
       commands.poweroff = [ "systemctl" "poweroff" ];
     };
-    extraCss = {
-      img.background = {
-        filter = "blur(20px)";
-      };
+    extraCss = ''
+      img.background {
+        filter: blur(20px);
+      }
+    '';
     };
   };