diff --git a/app/Console/Commands/TestPao.php b/app/Console/Commands/TestPao.php
index 40ce4c04..8158092d 100644
--- a/app/Console/Commands/TestPao.php
+++ b/app/Console/Commands/TestPao.php
@@ -98,9 +98,13 @@ class TestPao extends Command
 
                 foreach ($articles as $article) {
                     try {
-                        $strarticolo = json_encode($article, JSON_PRETTY_PRINT);
-                        echo $strarticolo;
-                        $log .= $strarticolo;
+                        if (is_array($article)) {
+                            $strarticolo = json_encode($article, JSON_PRETTY_PRINT);
+                            if ($strarticolo !== false) {
+                                echo $strarticolo;
+                                $log .= $strarticolo;
+                            }
+                        }
 
                         $mostra = false;
                         if ($mostra_solo_qta_negative) {