diff --git a/system/.config/environment.d/20_theme.conf b/system/.config/environment.d/20_theme.conf
index 2ec7917..4ecfd97 100644
--- a/system/.config/environment.d/20_theme.conf
+++ b/system/.config/environment.d/20_theme.conf
@@ -1,2 +1,3 @@
 QT_QPA_PLATFORMTHEME="qt5ct"
 MICRO_TRUECOLOR="1"
+GTK_THEME="Catppuccin-Mocha-Standard-Peach-Dark"
\ No newline at end of file