diff --git a/modules/graphical/compositor/default.nix b/modules/graphical/compositor/default.nix
index 33b26e31..603379bb 100644
--- a/modules/graphical/compositor/default.nix
+++ b/modules/graphical/compositor/default.nix
@@ -134,6 +134,7 @@ let
     riverctl map normal Alt+Shift Print spawn '${screenshot}/bin/screenshot -r -d'
 
     riverctl float-filter-add app-id launcher
+    riverctl float-filter-add app-id be.ugent.objprog.ugentopoly.Ugentopoly
     riverctl float-filter-add title "Quick Format Citation"
 
     riverctl default-layout rivertile
diff --git a/shells/objectgericht-project.nix b/shells/objectgericht-project.nix
index c3e56e72..a967beb0 100644
--- a/shells/objectgericht-project.nix
+++ b/shells/objectgericht-project.nix
@@ -3,7 +3,7 @@
   packages = with pkgs; [
     openssl
     maven
-    (openjdk17.override { enableJavaFX = true; openjfx = openjfx17.override { withWebKit = true; }; })
+    (openjdk21.override { enableJavaFX = true; openjfx = openjfx21; })
     (python3.withPackages (ps: [ ps.pyyaml ps.beautifulsoup4 ps.notmuch ]))
   ];
   commands = [