diff --git a/src/Model/Item.php b/src/Model/Item.php
index 19f382b67e..f528ea8da5 100644
--- a/src/Model/Item.php
+++ b/src/Model/Item.php
@@ -1059,7 +1059,7 @@ class Item
 			$update_commented = in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
 		} else {
 			// Update when it isn't a follow or tag verb
-			$update_commented = !in_array($item['verb'], [Activity::FOLLOW, Activity::TAG]);
+			$update_commented = !in_array($item['verb'] ?? '', [Activity::FOLLOW, Activity::TAG]);
 		}
 
 		if ($update_commented) {