diff --git a/backend/workflow_manager/endpoint/constants.py b/backend/workflow_manager/endpoint/constants.py
index 7c9f174d9..ca84b5d15 100644
--- a/backend/workflow_manager/endpoint/constants.py
+++ b/backend/workflow_manager/endpoint/constants.py
@@ -72,7 +72,7 @@ class FileType:
 class FilePattern:
     PDF_DOCUMENTS = ["*.pdf", "*.PDF"]
     TEXT_DOCUMENTS = ["*.txt"]
-    IMAGES = ["*.jpg", "*.jpeg", "*.png", "*.gif", "*.bmp", "*.tif"]
+    IMAGES = ["*.jpg", "*.jpeg", "*.png", "*.gif", "*.bmp", "*.tif", "*.tiff"]
 
 
 class SourceConstant: