diff --git a/opac/sco/sco-main.pl b/opac/sco/sco-main.pl
index 47bce8786b..4ab872c900 100755
--- a/opac/sco/sco-main.pl
+++ b/opac/sco/sco-main.pl
@@ -468,7 +468,7 @@ $cookie = $cookie_mgr->replace_in_list(
     $query->cookie(
         -name     => 'JWT',
         -value    => $jwt // '',
-        -expires  => $jwt ? '+1d' : '',
+        -expires  => $jwt ? '+1d' : '-1d',
         -HttpOnly => 1,
         -secure   => ( C4::Context->https_enabled() ? 1 : 0 ),
         -sameSite => 'Lax'