diff --git a/module/finc/src/finc/RecordDriver/SolrMarcFincTrait.php b/module/finc/src/finc/RecordDriver/SolrMarcFincTrait.php
index 20c805c7a916e52eff9226f249db19e465efde4f..538e3de90dc1422372aa19c137a8572c02810b3e 100644
--- a/module/finc/src/finc/RecordDriver/SolrMarcFincTrait.php
+++ b/module/finc/src/finc/RecordDriver/SolrMarcFincTrait.php
@@ -1514,7 +1514,7 @@ trait SolrMarcFincTrait
                                         $array[$i]['record_id']
                                             = $matches[2] . $matches[3];
                                         if (null != ($sid = $this->getSourceID())) {
-                                            $array[$key]['source_id'] = $sid;
+                                            $array[$i]['source_id'] = $sid;
                                         }
                                     }
                                 }