diff --git a/personal/combine/merge.py b/personal/combine/merge.py
index 65bb810..e51e40e 100644
--- a/personal/combine/merge.py
+++ b/personal/combine/merge.py
@@ -79,8 +79,8 @@ field_actions = {
 		"locked": FieldAction.OVERWRITE,
 		"media_metadata": FieldAction.OVERWRITE,
 		"mod_note": FieldAction.ALLOW_EMPTY,
-		"mod_reason_by": FieldAction.ALLOW_EMPTY,
-		"mod_reason_title": FieldAction.ALLOW_EMPTY,
+		"mod_reason_by": FieldAction.SPECIAL_NO_OVERWRITE,
+		"mod_reason_title": FieldAction.SPECIAL_NO_OVERWRITE,
 		"mod_reports": FieldAction.SPECIAL_NO_OVERWRITE,
 		"mod_reports_dismissed": FieldAction.SPECIAL_NO_OVERWRITE,
 		"name": FieldAction.OVERWRITE_IF_NONE,