diff --git a/roles/desktop/firefox.nix b/roles/desktop/firefox.nix
index e4165db..fa2e96f 100644
--- a/roles/desktop/firefox.nix
+++ b/roles/desktop/firefox.nix
@@ -14,6 +14,12 @@
 					"Status" = "default";
 				};
 			};
+			"Permissions" = {
+				"Autoplay" = {
+					"Allow" = [ "https://www.youtube.com" ];
+					"Default" = "block-audio-video";
+				};
+			};
 		};
 	};
 }