diff --git a/hosts/kim/configuration.nix b/hosts/kim/configuration.nix
index d3a04e0..62cdb40 100644
--- a/hosts/kim/configuration.nix
+++ b/hosts/kim/configuration.nix
@@ -147,14 +147,16 @@
 
   # Install firefox.
   programs = {
-    firefox = enable;
-    
+    firefox = {
+      enable = true;
+    };
+
     steam = {
       enable = true;
       remotePlay.openFirewall = true;
       dedicatedServer.openFirewall = true;
     };
-  }
+  };
 
   # List packages installed in system profile. To search, run:
   # $ nix search wget