diff --git a/index.pl b/index.pl
index f8b2084a62bec45e5ca7396c4b3ccc14a776b188..492dc291756fed5eb440c4b07193707450230597 100755
--- a/index.pl
+++ b/index.pl
@@ -504,7 +504,7 @@ helper 'get_user_id' => sub {
 	else {
 		$self->app->add_user_query->execute($user_name);
 		$self->app->get_userid_query->execute($user_name);
-		my $rows = $self->app->get_userid_query->fetchall_arrayref;
+		$rows = $self->app->get_userid_query->fetchall_arrayref;
 		return $rows->[0][0];
 	}
 };
@@ -837,6 +837,12 @@ post '/x/login' => sub {
 	}
 };
 
+get '/x/logout' => sub {
+	my ($self) = @_;
+	$self->logout;
+	$self->redirect_to('/x/login');
+};
+
 get '/x/register' => sub {
 	my ($self) = @_;
 	$self->render('register');
diff --git a/templates/login.html.ep b/templates/login.html.ep
index 74deaef7313d2877cbdcb9df2adb60b1245553ea..3ef8dbce546c7e48f9e3c5c7b4a0c25ca46cfe5e 100644
--- a/templates/login.html.ep
+++ b/templates/login.html.ep
@@ -1,3 +1,19 @@
+% if (my $user = current_user()) {
+	<div class="row">
+		<div class="col s12">
+			<div class="card grey darken-4">
+				<div class="card-content white-text">
+					<span class="card-title">Hallo, <%= $user->{name} %>!</span>
+					<p>
+						Du bist bereits angemeldet. Falls du mehrere Accounts hast
+						und auf einen anderen wechseln möchtest, musst du dich
+						vorher <a href="/x/logout">abmelden</a>.
+					</p>
+				</div>
+			</div>
+		</div>
+	</div>
+% }
 % if (my $invalid = stash('invalid')) {
 	<div class="row">
 		<div class="col s12">