nested.diff

diff --git a/lib/Mojolicious/Controller.pm b/lib/Mojolicious/Controller.pm
index 1322e45..802bcd1 100644
--- a/lib/Mojolicious/Controller.pm
+++ b/lib/Mojolicious/Controller.pm
@@ -2,7 +2,8 @@ package Mojolicious::Controller;
 use Mojo::Base -base;
 
 # No imports, for security reasons!
-use Carp ();
+use Carp       ();
+use List::Util ();
 use Mojo::ByteStream;
 use Mojo::Exception;
 use Mojo::Transaction::HTTP;
@@ -31,10 +32,17 @@ sub AUTOLOAD {
   Carp::croak "Undefined subroutine &${package}::$method called"
     unless Scalar::Util::blessed $self && $self->isa(__PACKAGE__);
 
-  # Call helper with current controller
+  my $helpers = $self->app->renderer->helpers;
+  my $helper  = $helpers->{$method};
+  my $found
+    = !!$helper || !!List::Util::first { $_ =~ /^$method\./ } keys %$helpers;
   Carp::croak qq{Can't locate object method "$method" via package "$package"}
-    unless my $helper = $self->app->renderer->helpers->{$method};
-  return $self->$helper(@_);
+    unless $found;
+  return $self->$helper(@_) if $helper;
+  return Mojolicious::Controller::_Proxy->new(
+    namespace  => $method,
+    controller => $self
+  );
 }
 
 sub continue { $_[0]->app->routes->continue($_[0]) }
@@ -428,6 +436,23 @@ sub _fallbacks {
   return $self->render_maybe(%$options, inline => $inline, handler => 'ep');
 }
 
+package Mojolicious::Controller::_Proxy;
+use Mojo::Base -base;
+
+sub AUTOLOAD {
+  my $self = shift;
+
+  my ($package, $method) = split /::(\w+)$/, our $AUTOLOAD;
+  Carp::croak "Undefined subroutine &${package}::$method called"
+    unless Scalar::Util::blessed $self && $self->isa(__PACKAGE__);
+
+  my $c = $self->{controller};
+  my $namespace = $self->{namespace};
+  Carp::croak qq{Can't locate object method "$method" via package "$package"}
+    unless my $helper = $c->app->renderer->helpers->{"$namespace.$method"};
+  return $c->$helper(@_);
+}
+
 1;
 
 =encoding utf8