diff --git a/server/knowledge_base/utils.py b/server/knowledge_base/utils.py
index 3a8c701b..f2ddbfd0 100644
--- a/server/knowledge_base/utils.py
+++ b/server/knowledge_base/utils.py
@@ -85,7 +85,7 @@ def list_files_from_folder(kb_name: str):
     return result
 
 
-LOADER_DICT = {"UnstructuredHTMLLoader": ['.html'],
+LOADER_DICT = {"UnstructuredHTMLLoader": ['.html', '.htm'],
                "MHTMLLoader": ['.mhtml'],
                "UnstructuredMarkdownLoader": ['.md'],
                "JSONLoader": [".json"],