diff --git a/src/indexing/EventIndex.js b/src/indexing/EventIndex.js
index 14257af014..69939d0f32 100644
--- a/src/indexing/EventIndex.js
+++ b/src/indexing/EventIndex.js
@@ -109,6 +109,7 @@ export default class EventIndex extends EventEmitter {
                 roomId: room.roomId,
                 token: token,
                 direction: "b",
+                fullCrawl: true,
             };
 
             const forwardCheckpoint = {