diff --git a/application/Preorder/Preorder.php b/application/Preorder/Preorder.php
index fd19c7f50..28aa2687a 100644
--- a/application/Preorder/Preorder.php
+++ b/application/Preorder/Preorder.php
@@ -352,6 +352,11 @@ class Preorder extends mfBaseModel {
                 $current_oaid = OpenAccessIdModel::getFirstOaid($this->oaid);
                 if($current_oaid) {
                     $this->log->warning("OAID of Preorder " . $this->id . " should be thetool, but is OFAA");
+                } else {
+                    if($wohneinheit->oaid != $this->oaid) {
+                        $this->oaid = $wohneinheit->oaid;
+                        return true;
+                    }
                 }
             } elseif($campaign->oaid_origin == "ofaa") {
                 $current_oaid = OpenAccessIdModel::getFirstOaid($this->oaid);