diff --git a/src/module-elasticsuite-indices/Model/IndexStatsProvider.php b/src/module-elasticsuite-indices/Model/IndexStatsProvider.php
index ac0fc603e..f4a4f30d1 100644
--- a/src/module-elasticsuite-indices/Model/IndexStatsProvider.php
+++ b/src/module-elasticsuite-indices/Model/IndexStatsProvider.php
@@ -86,6 +86,7 @@ public function getElasticSuiteIndices($params = []): array
                     $this->elasticsuiteIndices[$name] = $aliases ? key($aliases['aliases']) : null;
                 }
             }
+            ksort($this->elasticsuiteIndices, SORT_STRING | SORT_NATURAL);
         }
 
         return $this->elasticsuiteIndices;
diff --git a/src/module-elasticsuite-indices/view/adminhtml/templates/view/items.phtml b/src/module-elasticsuite-indices/view/adminhtml/templates/view/items.phtml
index 0bb4a90ca..a10039b11 100644
--- a/src/module-elasticsuite-indices/view/adminhtml/templates/view/items.phtml
+++ b/src/module-elasticsuite-indices/view/adminhtml/templates/view/items.phtml
@@ -21,7 +21,7 @@
 <div class="admin__table-wrapper">
     <table class="data-table admin__table-primary">
         <?php $items = $block->getItemsCollection(); ?>
-        <input type="hidden" id="json-input" autocomplete="off" value="<?php echo $block->escapeHtml(json_encode($items->getItems())); ?>"</input>
+        <input type="hidden" id="json-input" autocomplete="off" value="<?php echo $block->escapeHtml(json_encode($items->getItems() ?? [])); ?>"</input>
         <pre id="json-renderer" class="json-document"></pre>
     </table>
 </div>