diff --git a/src/eynollah/writer.py b/src/eynollah/writer.py
index 01c86de..b9e906a 100644
--- a/src/eynollah/writer.py
+++ b/src/eynollah/writer.py
@@ -268,7 +268,7 @@ class EynollahXmlWriter():
 
         self.logger.debug('len(found_polygons_text_region_h) %s', len(found_polygons_text_region_h))
         for mm in range(len(found_polygons_text_region_h)):
-            textregion = TextRegionType(id=counter.next_region_id, type_='header',
+            textregion = TextRegionType(id=counter.next_region_id, type_='heading',
                     Coords=CoordsType(points=self.calculate_polygon_coords(found_polygons_text_region_h[mm], page_coord)))
             page.add_TextRegion(textregion)