diff --git a/Tusker/Screens/Utilities/DiffableTimelineLikeTableViewController.swift b/Tusker/Screens/Utilities/DiffableTimelineLikeTableViewController.swift
index e3b3829d..8a01cf2a 100644
--- a/Tusker/Screens/Utilities/DiffableTimelineLikeTableViewController.swift
+++ b/Tusker/Screens/Utilities/DiffableTimelineLikeTableViewController.swift
@@ -67,7 +67,8 @@ class DiffableTimelineLikeTableViewController<Section: Hashable & CaseIterable,
     }
     
     private func pruneOffscreenRows() {
-        guard let lastVisibleRow = lastLastVisibleRow else {
+        guard let lastVisibleRow = lastLastVisibleRow,
+              lastVisibleRow.section < tableView.numberOfSections else {
             return
         }