diff --git a/CommonLogic/DataSheets/Mappings/LookupMapping.php b/CommonLogic/DataSheets/Mappings/LookupMapping.php
index 791a93924..af01d22b1 100644
--- a/CommonLogic/DataSheets/Mappings/LookupMapping.php
+++ b/CommonLogic/DataSheets/Mappings/LookupMapping.php
@@ -163,7 +163,7 @@ protected function setLookupColumn($string) : LookupMapping
      * {@inheritDoc}
      * @see \exface\Core\Interfaces\DataSheets\LookupMappingInterface::getToExpression()
      */
-    protected function getToExpression() : ExpressionInterface
+    public function getToExpression() : ExpressionInterface
     {
         return $this->toExpression;
     }
@@ -579,7 +579,7 @@ protected function setMatches(UxonObject $uxon) : LookupMapping
      * Returns an array of matches - each providing pairs of expressions in the from-sheet and in the lookup-sheet
      * @return void
      */
-    protected function getMatches() : array
+    public function getMatches() : array
     {
         if ($this->matchesUxon === null) {
             return [];