diff --git a/backend/api/system_api.py b/backend/api/system_api.py
index 1cfd966..b50884d 100644
--- a/backend/api/system_api.py
+++ b/backend/api/system_api.py
@@ -101,7 +101,7 @@ async def screen_refresh(request: Request):
     # Cherche le display Wayland du user pi (UID 1000)
     # Essaie wayland-0 puis wayland-1
     xdg_runtime = "/run/user/1000"
-    cmd_wtype   = f"WAYLAND_DISPLAY=wayland-1 XDG_RUNTIME_DIR={xdg_runtime} wtype -k F5"
+    cmd_wtype   = f"WAYLAND_DISPLAY=wayland-0 XDG_RUNTIME_DIR={xdg_runtime} wtype -k F5"
     cmd_x11     = f"DISPLAY=:0 XAUTHORITY=/home/pi/.Xauthority xdotool key F5"
 
     for cmd in [cmd_wtype, cmd_x11]: