diff --git a/Koha/OAI/Server/GetRecord.pm b/Koha/OAI/Server/GetRecord.pm
index 73aacd3d5d..f95c0b12cf 100644
--- a/Koha/OAI/Server/GetRecord.pm
+++ b/Koha/OAI/Server/GetRecord.pm
@@ -40,7 +40,7 @@ sub new {
     # Primary table in select aliased to `main` so we can reuse this WHERE clause
     my $where = 'main.biblionumber = ?';
     $where .=
-        ' AND EXISTS (SELECT 1 FROM biblio WHERE biblio.biblionumber = main.biblionumber AND NOT biblio.opac_suppressed)'
+        ' AND NOT EXISTS (SELECT 1 FROM biblio WHERE biblio.biblionumber = main.biblionumber AND biblio.opac_suppressed)'
         if C4::Context->is_opac_suppressed;
     if ($items_included) {
 
diff --git a/Koha/OAI/Server/ListBase.pm b/Koha/OAI/Server/ListBase.pm
index a627f088f4..b8544f51e8 100644
--- a/Koha/OAI/Server/ListBase.pm
+++ b/Koha/OAI/Server/ListBase.pm
@@ -85,7 +85,7 @@ STAGELOOP:
         }
 
         $where .=
-            " AND EXISTS (SELECT 1 FROM biblio WHERE biblio.biblionumber = main.biblionumber AND NOT biblio.opac_suppressed)"
+            " AND NOT EXISTS (SELECT 1 FROM biblio WHERE biblio.biblionumber = main.biblionumber AND biblio.opac_suppressed)"
             if C4::Context->is_opac_suppressed;
 
         my @bind_params = @part_bind_params;