diff --git a/openpype/hosts/hiero/api/workio.py b/openpype/hosts/hiero/api/workio.py
index 394cb5e2ab..762e22804f 100644
--- a/openpype/hosts/hiero/api/workio.py
+++ b/openpype/hosts/hiero/api/workio.py
@@ -2,13 +2,12 @@ import os
 import hiero
 
 from openpype.api import Logger
-from openpype.pipeline import HOST_WORKFILE_EXTENSIONS
 
 log = Logger.get_logger(__name__)
 
 
 def file_extensions():
-    return HOST_WORKFILE_EXTENSIONS["hiero"]
+    return [".hrox"]
 
 
 def has_unsaved_changes():