diff --git a/includes/datasource.inc b/includes/datasource.inc
index 21a6157..bef5cb0 100755
--- a/includes/datasource.inc
+++ b/includes/datasource.inc
@@ -527,7 +527,7 @@ abstract class SearchApiAbstractDataSourceController implements SearchApiDataSou
       ))
       ->condition($this->indexIdColumn, $index_ids, 'IN')
       ->condition($this->changedColumn, 0, $dequeue ? '<=' : '=');
-    if ($item_ids !== FALSE) {
+    if (empty($item_ids) == FALSE) {
       $update->condition($this->itemIdColumn, $item_ids, 'IN');
     }
     $update->execute();