diff --git a/fish/.config/fish/conf.d/setup.fish b/fish/.config/fish/conf.d/setup.fish
index 41da796..1e5211f 100644
--- a/fish/.config/fish/conf.d/setup.fish
+++ b/fish/.config/fish/conf.d/setup.fish
@@ -3,6 +3,8 @@ function __fish_setup_on_tty_login --description "Set up environment on tty logi
   set -qx XDG_CACHE_HOME; or set -Ux XDG_CACHE_HOME $HOME/.cache
   set -qx XDG_DATA_HOME; or set -Ux XDG_DATA_HOME $HOME/.local/share
   set -qx XDG_STATE_HOME; or set -Ux XDG_STATE_HOME $HOME/.local/state
+  set -qx QT_QPA_PLATFORM; or set -Ux QT_QPA_PLATFORM wayland
+  set -qx QT_QPA_PLATFORMTHEME; or set -Ux QT_QPA_PLATFORMTHEME qt5ct
 
   for extra_path in ~/.{local,nix-profile,cargo,cabal,ghcup}/bin
     if test -d "$extra_path"