diff --git a/nix/homeModules/common/firefox.nix b/nix/homeModules/common/firefox.nix
index 02bdb071..6c8bde40 100644
--- a/nix/homeModules/common/firefox.nix
+++ b/nix/homeModules/common/firefox.nix
@@ -97,11 +97,13 @@ in {
 
   xdg.mimeApps = lib.mkIf cfg.enable {
     enable = true;
-    associations.added = {
-      "text/html" = ["firefox.desktop"];
-    };
+    # source: https://unix.stackexchange.com/a/684582
     defaultApplications = {
-      "text/html" = ["firefox.desktop"];
+      "text/html" = "firefox.desktop";
+      "x-scheme-handler/http" = "firefox.desktop";
+      "x-scheme-handler/https" = "firefox.desktop";
+      "x-scheme-handler/about" = "firefox.desktop";
+      "x-scheme-handler/unknown" = "firefox.desktop";
     };
   };
 }