diff --git a/htdocs/variants/ajax/get_attribute_values.php b/htdocs/variants/ajax/get_attribute_values.php
index 1867eb368de..3950a262500 100644
--- a/htdocs/variants/ajax/get_attribute_values.php
+++ b/htdocs/variants/ajax/get_attribute_values.php
@@ -83,4 +83,4 @@ if ($res == -1) {
 	exit();
 }
 
-print json_encode($res);
+print json_encode($res, JSON_PARTIAL_OUTPUT_ON_ERROR);
diff --git a/htdocs/variants/combinations.php b/htdocs/variants/combinations.php
index 5128f31d0c5..e5043dcd7fa 100644
--- a/htdocs/variants/combinations.php
+++ b/htdocs/variants/combinations.php
@@ -511,7 +511,7 @@ if (!empty($id) || !empty($ref)) {
 
 		<script type="text/javascript">
 
-			variants_available = <?php echo json_encode($prodattr_alljson); ?>;
+			variants_available = <?php echo json_encode($prodattr_alljson, JSON_PARTIAL_OUTPUT_ON_ERROR); ?>;
 			variants_selected = {
 				index: [],
 				info: []