diff --git a/.config/environment.d/envvars.conf b/.config/environment.d/envvars.conf
index 058986d..71a1084 100644
--- a/.config/environment.d/envvars.conf
+++ b/.config/environment.d/envvars.conf
@@ -2,3 +2,8 @@
 MOZ_ENABLE_WAYLAND=1
 # Modifie le comportement JAVA pour PHPStorm
 _JAVA_AWT_WM_NONREPARENTING=1
+# Demandé par les applications QT (notamment Slack)
+QT_QPA_PLATFORM=wayland
+# Pour les applications utilisant Electron
+# Cf. https://www.electronjs.org/docs/latest/api/environment-variables
+ELECTRON_OZONE_PLATFORM_HINT=wayland