diff --git a/src/Fieldtypes/Terms.php b/src/Fieldtypes/Terms.php
index 3b4770999e..440fa33315 100644
--- a/src/Fieldtypes/Terms.php
+++ b/src/Fieldtypes/Terms.php
@@ -207,6 +207,7 @@ public function process($data)
                 return explode('::', $id, 2)[1];
             })
                 ->unique()
+                ->values()
                 ->all();
 
             if ($this->field->get('max_items') === 1) {