diff --git a/lib/dl_file_uploader_worker_lib/dl_file_uploader_worker_lib/tasks/download_yadocs.py b/lib/dl_file_uploader_worker_lib/dl_file_uploader_worker_lib/tasks/download_yadocs.py
index 9d838fcc7..0df46a266 100644
--- a/lib/dl_file_uploader_worker_lib/dl_file_uploader_worker_lib/tasks/download_yadocs.py
+++ b/lib/dl_file_uploader_worker_lib/dl_file_uploader_worker_lib/tasks/download_yadocs.py
@@ -88,8 +88,8 @@ async def run(self) -> TaskResult:
                     return Success()
 
             dfile.filename = spreadsheet_meta["name"]
-            xslx_suffix = ".xlsx"
-            if not dfile.filename.endswith(xslx_suffix):
+            xlsx_suffix = ".xlsx"
+            if not dfile.filename.endswith(xlsx_suffix):
                 raise exc.UnsupportedDocument
 
             s3 = self._ctx.s3_service