diff --git a/modules/programs/firefox/default.nix b/modules/programs/firefox/default.nix
index bf6d8f6..5877455 100644
--- a/modules/programs/firefox/default.nix
+++ b/modules/programs/firefox/default.nix
@@ -7,10 +7,12 @@
     # Deploy a Firefox policy to set the search engine and do some other things
     etc."firefox/policies/policies.json".source = ./policies.json;
 
-    sessionVariables = {
+    variables = {
       # TODO: Use pam_environment once I figure out how to enable it.
-      # Enable multi-touch and stuff
+      # Enable multi-touch...
       "MOZ_USE_XINPUT2" = "1";
+      # ... and Wayland
+      "MOZ_USE_WAYLAND" = "1";
     };
   };