diff --git a/calibrators/intrinsic_camera_calibrator/intrinsic_camera_calibrator/intrinsic_camera_calibrator/board_detections/board_detection.py b/calibrators/intrinsic_camera_calibrator/intrinsic_camera_calibrator/intrinsic_camera_calibrator/board_detections/board_detection.py
index 94f39434..40b531c3 100644
--- a/calibrators/intrinsic_camera_calibrator/intrinsic_camera_calibrator/intrinsic_camera_calibrator/board_detections/board_detection.py
+++ b/calibrators/intrinsic_camera_calibrator/intrinsic_camera_calibrator/intrinsic_camera_calibrator/board_detections/board_detection.py
@@ -168,7 +168,7 @@ def get_pose(self, model: CameraModel) -> Tuple[np.array, np.array]:
     def get_flattened_3d_points(self, model: CameraModel) -> np.array:
         """Get the image points reprojected into camera coordinates in the 3d space as a (M, 3) array."""
         if model == self._cached_camera_model and self._cached_flattened_3d_points is not None:
-            return self._cached_pose
+            return self._cached_flattened_3d_points
 
         self._cached_camera_model = model