diff --git a/appdata/modules/Framelix/src/Db/SqlStorableSchemeBuilder.php b/appdata/modules/Framelix/src/Db/SqlStorableSchemeBuilder.php
index f897f2e..c56abf1 100644
--- a/appdata/modules/Framelix/src/Db/SqlStorableSchemeBuilder.php
+++ b/appdata/modules/Framelix/src/Db/SqlStorableSchemeBuilder.php
@@ -388,7 +388,7 @@ public function getQueries(): array
                     if ($existingSchemeData['id'] ?? null) {
                         $query = '
                             UPDATE ' . StorableSchema::SCHEMA_TABLE . ' 
-                            SET storableClassParents =' . $this->db->escapeValue($storableClassParents) . '
+                            SET storableClassParents = ' .$storableClassParents . '
                             WHERE id = ' . (int)$existingSchemeData['id'] . '
                         ';
                     } else {