diff --git a/src/core/Directus/Database/TableGateway/RelationalTableGateway.php b/src/core/Directus/Database/TableGateway/RelationalTableGateway.php
index 88d7236ddf..f3fd506c6e 100644
--- a/src/core/Directus/Database/TableGateway/RelationalTableGateway.php
+++ b/src/core/Directus/Database/TableGateway/RelationalTableGateway.php
@@ -1892,7 +1892,8 @@ public function loadManyToOneRelationships($entries, $columns, array $params = [
             foreach ($entries as &$parentRow) {
                 if (array_key_exists($relationalColumnName, $parentRow)) {
                     // @NOTE: Not always will be a integer
-                    $foreign_id = (int)$parentRow[$relationalColumnName];
+                    // @NOTE: But what about UUIDS and slugs?
+                    $foreign_id = (string)$parentRow[$relationalColumnName];
                     $parentRow[$relationalColumnName] = null;
                     // "Did we retrieve the foreign row with this foreign ID in our recent query of the foreign table"?
                     if (array_key_exists($foreign_id, $relatedEntries)) {