diff --git a/packages/form-js-viewer/src/util/getSchemaVariables.js b/packages/form-js-viewer/src/util/getSchemaVariables.js
index d5615ce85..c03fecd25 100644
--- a/packages/form-js-viewer/src/util/getSchemaVariables.js
+++ b/packages/form-js-viewer/src/util/getSchemaVariables.js
@@ -23,6 +23,8 @@ const EXPRESSION_PROPERTIES = [
   'dataSource',
   'columnsExpression',
   'expression',
+  'accept',
+  'multiple',
 ];
 
 const TEMPLATE_PROPERTIES = [