diff --git a/src/MatrixClientPeg.js b/src/MatrixClientPeg.js
index 82d18d307d..e8ef689294 100644
--- a/src/MatrixClientPeg.js
+++ b/src/MatrixClientPeg.js
@@ -108,6 +108,7 @@ class MatrixClientPeg {
         opts.pendingEventOrdering = "detached";
 
         if (SettingsStore.isFeatureEnabled('feature_lazyloading')) {
+            opts.lazyLoadMembers = true;
             opts.filter = await this.matrixClient.createFilter(FILTER_CONTENT);
         }