diff --git a/frigate/util/object.py b/frigate/util/object.py
index 69d2c6b32..9605e8ab4 100644
--- a/frigate/util/object.py
+++ b/frigate/util/object.py
@@ -174,9 +174,9 @@ def get_region_from_grid(
 
     cell = region_grid[grid_x][grid_y]
 
-    # if there is no known data, get standard region for motion box
+    # if there is no known data, use original region calculation
     if not cell or not cell["sizes"]:
-        return calculate_region(frame_shape, box[0], box[1], box[2], box[3], min_region)
+        return box
 
     # convert the calculated region size to relative
     calc_size = (box[2] - box[0]) / frame_shape[1]