diff --git a/fastlabel/__init__.py b/fastlabel/__init__.py
index 80e75c7..17cbb57 100644
--- a/fastlabel/__init__.py
+++ b/fastlabel/__init__.py
@@ -756,11 +756,14 @@ def __export_index_color_image(self, task: list, output_dir: str, pallete: List[
             color = index if is_instance_segmentation else classes.index(annotation["value"]) + 1
             if annotation["type"] == AnnotationType.segmentation.value:
                 for region in annotation["points"]:
+                    count = 0
                     for points in region:
                         cv_draw_points = self.__get_cv_draw_points(points)
-                        cv2.fillPoly(image, [cv_draw_points], color, lineType=cv2.LINE_8, shift=0)
-                        # hollowd points are not supported
-                        break
+                        if count == 0:
+                            cv2.fillPoly(image, [cv_draw_points], color, lineType=cv2.LINE_8, shift=0)
+                        else:
+                            cv2.fillPoly(image, [cv_draw_points], 0, lineType=cv2.LINE_8, shift=0)
+                        count += 1
             elif annotation["type"] == AnnotationType.polygon.value:
                 cv_draw_points = self.__get_cv_draw_points(annotation["points"])
                 cv2.fillPoly(image, [cv_draw_points], color, lineType=cv2.LINE_8, shift=0)
diff --git a/fastlabel/converters.py b/fastlabel/converters.py
index ec07d6d..ed56ae6 100644
--- a/fastlabel/converters.py
+++ b/fastlabel/converters.py
@@ -304,16 +304,16 @@ def to_pixel_coordinates(tasks: list) -> list:
 
     # Remove duplicate points
     for task in tasks:
-        for anno in task["annotations"]:
+        for annotation in task["annotations"]:
             if annotation["type"] == AnnotationType.segmentation.value:
                 new_regions = []
-                for region in anno["points"]:
+                for region in annotation["points"]:
                     new_region = []
                     for points in region:
                         new_points = __remove_duplicated_coordinates(points)
                         new_region.append(new_points)
                     new_regions.append(new_region)
-                anno["points"] = new_regions
+                annotation["points"] = new_regions
             elif annotation["type"] == AnnotationType.polygon.value:
                 new_points = __remove_duplicated_coordinates(annotation["points"])
                 annotation["points"] = new_points
diff --git a/setup.py b/setup.py
index eb3727d..1beaa53 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
 
 setuptools.setup(
     name="fastlabel",
-    version="0.11.0",
+    version="0.11.1",
     author="eisuke-ueta",
     author_email="eisuke.ueta@fastlabel.ai",
     description="The official Python SDK for FastLabel API, the Data Platform for AI",