diff --git a/app/core/src/main/java/com/fsck/k9/controller/MessagingController.java b/app/core/src/main/java/com/fsck/k9/controller/MessagingController.java
index 2e3d063534..ce51913428 100644
--- a/app/core/src/main/java/com/fsck/k9/controller/MessagingController.java
+++ b/app/core/src/main/java/com/fsck/k9/controller/MessagingController.java
@@ -506,8 +506,11 @@ public class MessagingController {
         }
     }
 
+    public void loadMoreMessages(Account account, long folderId) {
+        putBackground("loadMoreMessages", null, () -> loadMoreMessagesSynchronous(account, folderId));
+    }
 
-    public void loadMoreMessages(Account account, long folderId, MessagingListener listener) {
+    public void loadMoreMessagesSynchronous(Account account, long folderId) {
         MessageStore messageStore = messageStoreManager.getMessageStore(account);
         Integer visibleLimit = messageStore.getFolder(folderId, FolderDetailsAccessor::getVisibleLimit);
         if (visibleLimit == null) {
@@ -520,7 +523,7 @@ public class MessagingController {
             messageStore.setVisibleLimit(folderId, newVisibleLimit);
         }
 
-        synchronizeMailbox(account, folderId, false, listener);
+        synchronizeMailboxSynchronous(account, folderId, false, null, new NotificationState());
     }
 
     /**
diff --git a/app/ui/legacy/src/main/java/com/fsck/k9/ui/messagelist/MessageListFragment.kt b/app/ui/legacy/src/main/java/com/fsck/k9/ui/messagelist/MessageListFragment.kt
index a099cefdf3..c284302959 100644
--- a/app/ui/legacy/src/main/java/com/fsck/k9/ui/messagelist/MessageListFragment.kt
+++ b/app/ui/legacy/src/main/java/com/fsck/k9/ui/messagelist/MessageListFragment.kt
@@ -485,7 +485,7 @@ class MessageListFragment :
 
         if (currentFolder.moreMessages && !localSearch.isManualSearch) {
             val folderId = currentFolder.databaseId
-            messagingController.loadMoreMessages(account, folderId, null)
+            messagingController.loadMoreMessages(account, folderId)
         } else if (isRemoteSearch) {
             val additionalSearchResults = extraSearchResults ?: return
             if (additionalSearchResults.isEmpty()) return