diff --git a/modules/home/xdg.nix b/modules/home/xdg.nix
new file mode 100644
index 0000000..794dc7f
--- /dev/null
+++ b/modules/home/xdg.nix
@@ -0,0 +1,9 @@
+{
+  xdg.mimeApps = {
+    enable = true;
+    defaultApplications = {
+      "x-scheme-handler/sgnl" = "signal-desktop.desktop";
+      "x-scheme-handler/signalcaptcha" = "signal-desktop.desktop";
+    };
+  };
+}