diff --git a/opendm/types.py b/opendm/types.py
index b6d95f4a..be4b44ea 100644
--- a/opendm/types.py
+++ b/opendm/types.py
@@ -296,7 +296,7 @@ class ODM_Tree(object):
         self.odm_georeferencing_gcp = gcp_file or io.find('gcp_list.txt', self.root_path)
         self.odm_georeferencing_gcp_utm = os.path.join(self.odm_georeferencing, 'gcp_list_utm.txt')
         self.odm_geo_file = geo_file or io.find('geo.txt', self.root_path)
-        self.odm_align_file = align_file or io.find('align.laz', self.root_path) or io.find('align.tif', self.root_path)
+        self.odm_align_file = align_file or io.find('align.laz', self.root_path) or io.find('align.las', self.root_path) or io.find('align.tif', self.root_path)
         
         self.odm_georeferencing_proj = 'proj.txt'
         self.odm_georeferencing_model_txt_geo = os.path.join(