diff --git a/src/matrix/room/timeline/persistence/GapWriter.js b/src/matrix/room/timeline/persistence/GapWriter.js
index 860265f5..ac265f9d 100644
--- a/src/matrix/room/timeline/persistence/GapWriter.js
+++ b/src/matrix/room/timeline/persistence/GapWriter.js
@@ -105,7 +105,7 @@ export class GapWriter {
         }
     }
 
-    _storeEvents(events, startKey, direction, state, txn) {
+    async _storeEvents(events, startKey, direction, state, txn) {
         const entries = [];
         const updatedEntries = [];
         // events is in reverse chronological order for backwards pagination,
@@ -123,7 +123,7 @@ export class GapWriter {
             txn.timelineEvents.insert(eventStorageEntry);
             const eventEntry = new EventEntry(eventStorageEntry, this._fragmentIdComparer);
             directionalAppend(entries, eventEntry, direction);
-            const updatedRelationTargetEntry = this._relationWriter.writeRelation(eventEntry);
+            const updatedRelationTargetEntry = await this._relationWriter.writeRelation(eventEntry);
             if (updatedRelationTargetEntry) {
                 updatedEntries.push(updatedRelationTargetEntry);
             }
@@ -246,7 +246,7 @@ export class GapWriter {
             end = null;
         }
         // create entries for all events in chunk, add them to entries
-        const {entries, updatedEntries} = this._storeEvents(nonOverlappingEvents, lastKey, direction, state, txn);
+        const {entries, updatedEntries} = await this._storeEvents(nonOverlappingEvents, lastKey, direction, state, txn);
         const fragments = await this._updateFragments(fragmentEntry, neighbourFragmentEntry, end, entries, txn);
     
         return {entries, updatedEntries, fragments};