diff --git a/setup_f42 b/setup_f42
index 8ab10a2..0bd0da7 100644
--- a/setup_f42
+++ b/setup_f42
@@ -113,4 +113,7 @@ gsettings set org.gnome.desktop.interface font-name 'Comfortaa 10'
 gsettings set org.gnome.desktop.interface document-font-name 'Comfortaa 10'
 gsettings set org.gnome.desktop.interface monospace-font-name 'JetBrains Mono 10'
 
+# Configuration Thème Sombre sur Flatpaks
+sudo flatpak override --env=GTK_THEME=Adwaita:dark --system
+
 log "=== INSTALLATION COMPLÈTE AVEC SUCCÈS ==="