diff --git a/module/finc/src/finc/RecordDriver/SolrMarcFincTrait.php b/module/finc/src/finc/RecordDriver/SolrMarcFincTrait.php
index 35f2975ed17a89f7e1fcbd10d7d4770091af2af4..60bef7acc50e2d2297a6c9ed3693097a659f6c3c 100644
--- a/module/finc/src/finc/RecordDriver/SolrMarcFincTrait.php
+++ b/module/finc/src/finc/RecordDriver/SolrMarcFincTrait.php
@@ -1706,7 +1706,7 @@ trait SolrMarcFincTrait
 
         // now check if 773 is available and LDR 7 != (a || s)
         $fields = $this->getMarcRecord()->getFields('773');
-        if ($fields && !in_array($this->getMarcRecord()->getLeader()[7], ['a', 's'])) {
+        if ($fields && !in_array($this->getMarcRecord()->getLeader()[7], ['a', 'b'])) {
             foreach ($fields as $field) {
                 if ($field245 = $this->getMarcRecord()->getField('245')) {
                     $parentTitle[] =