diff --git a/habitat-lab/habitat/tasks/rearrange/rearrange_sensors.py b/habitat-lab/habitat/tasks/rearrange/rearrange_sensors.py
index 041e584458..991f37ff81 100644
--- a/habitat-lab/habitat/tasks/rearrange/rearrange_sensors.py
+++ b/habitat-lab/habitat/tasks/rearrange/rearrange_sensors.py
@@ -1300,4 +1300,4 @@ def get_observation(self, observations, episode, task, *args, **kwargs):
             rmin, rmax, cmin, cmax = self._get_bbox(tgt_mask)
             bbox[rmin:rmax, cmin:cmax] = 1.0
 
-        return bbox
+        return np.float32(bbox)