diff --git a/app/image_folder.py b/app/image_folder.py
index f38c54e8..43b3d010 100644
--- a/app/image_folder.py
+++ b/app/image_folder.py
@@ -18,7 +18,7 @@ def on_any_event(self, event):
         if i+1 < len(folders) and folders[i+1] == "_thumbnails":
             return
         
-        if not event.is_directory and path.endswith(self.pattern):
+        if not event.is_directory and path.lower().endswith(self.pattern):
 
             image = ImageModel.objects(path=event.src_path).first()