diff --git a/2d_spots_in_fibers.py b/2d_spots_in_fibers.py
index f16d7c78b08a1a73d20390073230011f185e6e8d..6dffdfcc52781bcbe5a84f6bf869e2e046152cba 100644
--- a/2d_spots_in_fibers.py
+++ b/2d_spots_in_fibers.py
@@ -313,7 +313,8 @@ def run_trackmate_dog_spot_detector(imp, quality_threshold):
 
     exportSpotsAsDots = True
     exportTracksOnly = False
-    label_imp = LabelImgExporter.createLabelImagePlus(trackmate, exportSpotsAsDots, exportTracksOnly, False)
+    labelIdPainting = LabelImgExporter.LabelIdPainting.LABEL_IS_SPOT_ID
+    label_imp = LabelImgExporter.createLabelImagePlus(trackmate, exportSpotsAsDots, exportTracksOnly, labelIdPainting)
     label_imp.setCalibration(cal)
     imp.close()