diff --git a/includes/UnreadWikis.php b/includes/UnreadWikis.php
index a84daf44a..15f9178fe 100644
--- a/includes/UnreadWikis.php
+++ b/includes/UnreadWikis.php
@@ -140,13 +140,14 @@ class UnreadWikis {
 			];
 
 			// when there is unread alert(s) and/or message(s), upsert the row
-			$dbw->upsert(
-				'echo_unread_wikis',
-				$conditions + $values,
-				[ [ 'euw_user', 'euw_wiki' ] ],
-				$values,
-				__METHOD__
-			);
+			$dbw->newInsertQueryBuilder()
+				->insertInto( 'echo_unread_wikis' )
+				->row( $conditions + $values )
+				->onDuplicateKeyUpdate()
+				->uniqueIndexFields( [ 'euw_user', 'euw_wiki' ] )
+				->set( $values )
+				->caller( __METHOD__ )
+				->execute();
 		} else {
 			// No unread notifications, delete the row
 			$dbw->delete(