diff --git a/DicomAnnotUtils.py b/DicomAnnotUtils.py
index 25d599b..ee109ff 100644
--- a/DicomAnnotUtils.py
+++ b/DicomAnnotUtils.py
@@ -298,7 +298,7 @@ def dicomToCamic(annot_path, image_dimensions, output_file, source_url=None, sli
                 newFeature = deepcopy(featureTemplate)
                 newFeature['geometry']['type'] = "Ellipse"
                 newFeature['geometry']['coordinates'] = [center_x, center_y]
-                newFeature['geometry']["radius"] = [major_axis_length,minor_axis_length],
+                newFeature['geometry']["radius"] = [major_axis_length,minor_axis_length]
                 newFeature['geometry']["rotation"] = rotation
                 newFeature['bound']['type'] = "Point"
                 newFeature['bound']['coordinates'] = [center_x, center_y]