diff --git a/authorities/authorities-home.pl b/authorities/authorities-home.pl
index 426b1bace3..6e0a8fe88d 100755
--- a/authorities/authorities-home.pl
+++ b/authorities/authorities-home.pl
@@ -87,9 +87,9 @@ if ( $op eq "do_search" ) {
         [$marclist], [$and_or], [$excluding], [$operator],
         [$value], $authtypecode, $orderby
     );
-    $startfrom = $startfrom // 0;
+    my $offset = ( $startfrom - 1 ) * $resultsperpage + 1;
     my ( $results, $total ) =
-      $searcher->search_auth_compat( $search_query, $startfrom,
+      $searcher->search_auth_compat( $search_query, $offset,
         $resultsperpage );
     #my ( $results, $total ) = SearchAuthorities(
     #    [$marclist],  [$and_or],
diff --git a/opac/opac-authorities-home.pl b/opac/opac-authorities-home.pl
index 5b1a42b341..d92166bea6 100755
--- a/opac/opac-authorities-home.pl
+++ b/opac/opac-authorities-home.pl
@@ -64,8 +64,9 @@ if ( $op eq "do_search" ) {
         { index => $Koha::SearchEngine::AUTHORITIES_INDEX } );
     my $search_query = $builder->build_authorities_query_compat( \@marclist, \@and_or,
         \@excluding, \@operator, \@value, $authtypecode, $orderby );
+    my $offset = ( $startfrom - 1 ) * $resultsperpage + 1;
     my ( $results, $total ) =
-      $searcher->search_auth_compat( $search_query, $startfrom, $resultsperpage );
+      $searcher->search_auth_compat( $search_query, $offset, $resultsperpage );
     ( $template, $loggedinuser, $cookie ) = get_template_and_user(
         {
             template_name   => "opac-authoritiessearchresultlist.tt",