diff --git a/io_scene_obj/export_obj.py b/io_scene_obj/export_obj.py
index 9312f952fc120f12478ab428ec9764bbe19c2eac..a7d4d52173930acfba4164195cde6987c601f8fb 100644
--- a/io_scene_obj/export_obj.py
+++ b/io_scene_obj/export_obj.py
@@ -445,7 +445,7 @@ def write_file(filepath, objects, scene,
             # UV
             if faceuv:
                 # in case removing some of these dont get defined.
-                uv = uvkey = uv_dict = f_index = uv_index = uv_ls, uv_k = None
+                uv = uvkey = uv_dict = f_index = uv_index = uv_ls = uv_k = None
 
                 uv_face_mapping = [None] * len(face_index_pairs)