diff --git a/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Plugins/Impersonation.pm b/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Plugins/Impersonation.pm
index e71b86d9f..1eb946e5a 100644
--- a/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Plugins/Impersonation.pm
+++ b/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Plugins/Impersonation.pm
@@ -55,6 +55,7 @@ sub init {
 
 sub run {
     my ( $self, $req ) = @_;
+    my $savedHttpSession = $req->{sessionInfo}->{_httpSession} //= '';
     my $spoofId = $req->param('spoofId') || $req->{user};
     $self->logger->debug("No impersonation required") if ( $spoofId eq $req->{user} );
     my $statut = PE_OK;
@@ -139,6 +140,8 @@ sub run {
     $self->p->updateSession( $req, $spoofSession );
     $req->steps( [ $self->p->validSession, @{ $self->p->endAuth } ] );
 
+    # Restore _httpSession for double Cookies
+    $req->{sessionInfo}->{_httpSession} = $savedHttpSession if $savedHttpSession;
     return $statut;
 }