diff --git a/csaxs_bec/devices/ids_cameras/ids_camera_new.py b/csaxs_bec/devices/ids_cameras/ids_camera_new.py
index 9d4b274..3111d61 100644
--- a/csaxs_bec/devices/ids_cameras/ids_camera_new.py
+++ b/csaxs_bec/devices/ids_cameras/ids_camera_new.py
@@ -209,15 +209,7 @@ class IDSCamera(PSIDeviceBase):
             else:
                 data = image.data * self.mask
                 n_channels = 1
-            self.roi_signal.put(
-                {
-                    self.roi_signal.name: {
-                        "value": np.sum(data)
-                        / (np.sum(self.mask) * n_channels),  # TODO could be optimized
-                        "timestamp": time.time(),
-                    }
-                }
-            )
+            self.roi_signal.put(np.sum(data) / (np.sum(self.mask) * n_channels))
 
 
 if __name__ == "__main__":
diff --git a/pyproject.toml b/pyproject.toml
index 5cadf8b..4477656 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ dependencies = [
     "bec_ipython_client",
     "bec_lib",
     "bec_server",
-    "ophyd_devices",
+    "ophyd_devices~=1.29",
     "std_daq_client",
     "jfjoch-client",
     "rich",