diff --git a/Koha/AdditionalContents.pm b/Koha/AdditionalContents.pm
index a631862b9b..711b187ad3 100644
--- a/Koha/AdditionalContents.pm
+++ b/Koha/AdditionalContents.pm
@@ -71,7 +71,7 @@ sub search_for_display {
 
     my $search_params;
     $search_params->{location} = $params->{location};
-    $search_params->{branchcode} = [ $params->{library_id}, undef ] if $params->{library_id};
+    $search_params->{branchcode} = $params->{library_id} ? [ $params->{library_id}, undef ] : undef;
     $search_params->{published_on} = { '<=' => \'CAST(NOW() AS DATE)' };
     $search_params->{-or} = [ expirationdate => { '>=' => \'CAST(NOW() AS DATE)' },
                               expirationdate => undef ];