diff --git a/firefox.nix b/firefox.nix
index 559b89e..116c201 100644
--- a/firefox.nix
+++ b/firefox.nix
@@ -60,7 +60,6 @@ in
         DontCheckDefaultBrowser = true;
         PrimaryPassword = false;
         OfferToSaveLoginsDefault = false;
-        #DisableBuiltinPDFViewer = true;
         PasswordManagerEnabled = false;
         DisableMasterPasswordCreation = true;
         AutofillAddressEnabled = false;
@@ -237,6 +236,13 @@ in
               definedAliases = [ ":f" ];
             };
 
+            "YouTube" = {
+              urls = [ { template = "https://www.youtube.com/results?search_query={searchTerms}"; } ];
+              iconUpdateURL = "https://youtube.com/favicon.ico";
+              updateInterval = 24 * 60 * 60 * 1000; # every day
+              definedAliases = [ ":y" ];
+            };
+
             "dict.cc (de<->en)" = {
               urls = [ { template = "https://www.dict.cc/?s={searchTerms}"; } ];
               iconUpdateURL = "https://dict.cc/favicon.ico";