diff --git a/camera_server.py b/camera_server.py
index e879476..22e4a03 100644
--- a/camera_server.py
+++ b/camera_server.py
@@ -32,11 +32,15 @@ def apply_settings(frame):
 
 def capture_loop():
     global current_frame
-    # Sur Pi Zero avec OV5647, /dev/video0
-    cam = cv2.VideoCapture(0)
-    cam.set(cv2.CAP_PROP_FRAME_WIDTH, 1280)
-    cam.set(cv2.CAP_PROP_FRAME_HEIGHT, 720)
-    cam.set(cv2.CAP_PROP_FPS, 15)
+    # Pipeline GStreamer pour CSI sur Pi Bookworm
+    pipeline = (
+        "libcamerasrc ! "
+        "video/x-raw,width=1280,height=720,framerate=15/1 ! "
+        "videoconvert ! "
+        "video/x-raw,format=BGR ! "
+        "appsink drop=1"
+    )
+    cam = cv2.VideoCapture(pipeline, cv2.CAP_GSTREAMER)
 
     if not cam.isOpened():
         print("ERREUR : impossible d'ouvrir la caméra")