diff --git a/backend/camera.py b/backend/camera.py
index 10d1a49..585ca14 100644
--- a/backend/camera.py
+++ b/backend/camera.py
@@ -185,6 +185,13 @@ class Camera:
                         log.error("Camera None pendant capture")
                         self.preview_dslr_ok = False
                         return None
+                    try:
+                        cfg = self.camera.get_config()
+                        vf = cfg.get_child_by_name("viewfinder")
+                        vf.set_value(0)
+                        self.camera.set_config(cfg)
+                    except Exception:
+                        pass
                     log.info(f"Déclenchement capture DSLR (tentative {attempt+1}/3)")
                     chemin_camera = self.camera.capture(gp.GP_CAPTURE_IMAGE)
                     fichier_camera = gp.CameraFile()