diff --git a/Changes b/Changes
index 059b017a6..9f4444973 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,10 @@
 {{$NEXT}}
 
+    [ BUG FIXES ]
+    * GH #447: Setting the apphandler now triggers the Dancer Runner
+      configuration change, which works. (Sawyer X)
+
+
     [ DOCUMENTATION ]
     * Fix doc for params(). Ported from Dancer#1025 (Stefan Hornburg)
 
diff --git a/lib/Dancer2/Core/Role/ConfigReader.pm b/lib/Dancer2/Core/Role/ConfigReader.pm
index cbffc589b..ce2b96c44 100644
--- a/lib/Dancer2/Core/Role/ConfigReader.pm
+++ b/lib/Dancer2/Core/Role/ConfigReader.pm
@@ -84,6 +84,11 @@ has global_triggers => (
             require Carp;
             $Carp::Verbose = $traces ? 1 : 0;
         },
+
+        apphandler => sub {
+            my ( $self, $handler ) = @_;
+            Dancer2->runner->config->{'apphandler'} = $handler;
+        },
     } },
 );
 
diff --git a/t/lwp-protocol-psgi.t b/t/lwp-protocol-psgi.t
new file mode 100644
index 000000000..2767ce525
--- /dev/null
+++ b/t/lwp-protocol-psgi.t
@@ -0,0 +1,34 @@
+#!/usr/bin/perl
+use strict;
+use warnings;
+use Test::More tests => 5;
+use LWP::UserAgent;
+
+eval "use LWP::Protocol::PSGI";
+plan skip_all => "LWP::Protocol::PSGI is needed for this test" if $@;
+
+my $psgi_app = do {
+    use Dancer2;
+
+    set apphandler => 'PSGI';
+
+    get '/search' => sub {
+        my $q = param('q');
+        is( $q, 'foo', 'Correct parameter to Google' );
+        return 'bar';
+    };
+
+    dance;
+};
+
+# Register the $psgi_app to handle all LWP requests
+LWP::Protocol::PSGI->register($psgi_app); 
+my $ua  = LWP::UserAgent->new;
+isa_ok( $ua, 'LWP::UserAgent' );
+
+my $res = $ua->get("http://www.google.com/search?q=foo");
+isa_ok( $res, 'HTTP::Response' );
+
+ok( $res->is_success, 'Request is successful' );
+is( $res->content, 'bar', 'Correct response content' );
+