diff --git a/tools/migration/node.2018-03-13.othello.js b/tools/migration/node.2018-03-13.othello.js
index 12d9e09533..4598f8d832 100644
--- a/tools/migration/node.2018-03-13.othello.js
+++ b/tools/migration/node.2018-03-13.othello.js
@@ -11,7 +11,9 @@ const migrate = async (doc) => {
 	});
 
 	const result = await Othello.update(doc._id, {
-		$set: doc.logs
+		$set: {
+			logs: doc.logs
+		}
 	});
 
 	return result.ok === 1;