diff --git a/tagstudio/src/core/media_types.py b/tagstudio/src/core/media_types.py
index 24e08e6e..4ef0f15d 100644
--- a/tagstudio/src/core/media_types.py
+++ b/tagstudio/src/core/media_types.py
@@ -183,6 +183,7 @@ class MediaCategories:
         ".crw",
         ".dng",
         ".nef",
+        ".orf",
         ".raw",
         ".rw2",
     }