diff --git a/themes/bootstrap3/templates/RecordTab/holdingsils.phtml b/themes/bootstrap3/templates/RecordTab/holdingsils.phtml
index 6ae06f432d5c99e032a74c1688506d8e041984f7..71aa0b283a7f7d893eac644bc44b640145532e91 100644
--- a/themes/bootstrap3/templates/RecordTab/holdingsils.phtml
+++ b/themes/bootstrap3/templates/RecordTab/holdingsils.phtml
@@ -92,8 +92,8 @@
       $checkILLRequest = isset($row['checkILLRequest']) && $row['checkILLRequest'];
       // AJAX block record?
       $block = !$check && isset($row['addLink']) && $row['addLink'] === 'block';
-      $blockStorageRetrievalRequest = !$checkStorageRetrievalRequest && isset($row['addStorageRetrievalRequestLink']) && $row['addStorageRetrievalRequestLink'];
-      $blockILLRequest = !$checkILLRequest && isset($row['addILLRequestLink']) && $row['addILLRequestLink'];
+      $blockStorageRetrievalRequest = !$checkStorageRetrievalRequest && isset($row['addStorageRetrievalRequestLink']) && $row['addStorageRetrievalRequestLink'] === 'block';
+      $blockILLRequest = !$checkILLRequest && isset($row['addILLRequestLink']) && $row['addILLRequestLink'] === 'block';
     ?>
     <? if (isset($row['barcode']) && $row['barcode'] != ""): ?>
       <tr vocab="http://schema.org/" typeof="Offer">