diff --git a/hosts/nb/users/dominik.nix b/hosts/nb/users/dominik.nix
index 97ff798..a21fb75 100644
--- a/hosts/nb/users/dominik.nix
+++ b/hosts/nb/users/dominik.nix
@@ -537,6 +537,18 @@ in
       };
     };
 
+    xdg.mimeApps = {
+      enable = true;
+      defaultApplications = {
+        "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";
+        "application/pdf" = "firefox.desktop";
+      };
+    };
+
     programs.firefox = {
       enable = true;
       profiles = {