diff --git a/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Issuer/OpenIDConnect.pm b/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Issuer/OpenIDConnect.pm
index 74acdc1092a64fc1c783ad56cc80c62f85499e99..da48494d73048d1dedd54c7aa9e7b44fcb8df411 100644
--- a/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Issuer/OpenIDConnect.pm
+++ b/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Issuer/OpenIDConnect.pm
@@ -1033,7 +1033,9 @@ sub run {
             }
 
             # Ask consent for logout
-            if ( $req->param('confirm') or $bypassConfirm ) {
+            if ( ( $req->method eq 'POST' and $req->param('confirm') )
+                or $bypassConfirm )
+            {
                 my $err;
                 if ( (
                         defined( $req->param('confirm') )