diff --git a/modules/home-manager/web/firefox/default.nix b/modules/home-manager/web/firefox/default.nix
index a66ecd4..191bdae 100644
--- a/modules/home-manager/web/firefox/default.nix
+++ b/modules/home-manager/web/firefox/default.nix
@@ -107,7 +107,7 @@ in
         extensions.packages = allExtensions;
         search = {
           force = true;
-          default = "DuckDuckGo";
+          default = "ddg";
           engines =  {
             "Nix Packages" = {
               urls = [{
@@ -123,13 +123,13 @@ in
 
             "NixOS Wiki" = {
               urls = [{ template = "https://nixos.wiki/index.php?search={searchTerms}"; }];
-              iconUpdateURL = "https://nixos.wiki/favicon.png";
+              icon = "https://nixos.wiki/favicon.png";
               updateInterval = 24 * 60 * 60 * 1000; # every day
                 definedAliases = [ "@nw" ];
             };
 
-            "Bing".metaData.hidden = true;
-            "Google".metaData.hidden = true;
+            "bing".metaData.hidden = true;
+            "google".metaData.hidden = true;
             "Amazon.fr".metaData.hidden = true;
             "Facebook".metaData.hidden = true;
             "youtube".metaData.hidden = true;