diff --git a/t/03_route_handler/15_prefix.t b/t/03_route_handler/15_prefix.t
index fec2e2930..d91f69df1 100644
--- a/t/03_route_handler/15_prefix.t
+++ b/t/03_route_handler/15_prefix.t
@@ -1,7 +1,7 @@
 use Test::More import => ['!pass'];
 use t::lib::TestUtils;
 
-plan tests => 23;
+plan tests => 26;
 
 use Dancer ':syntax';
 use Dancer::Test;
@@ -53,6 +53,14 @@ ok(
     'route /:word defined'
 );
 
+ok(
+    get(
+        '/' => sub {
+            "char: all";
+        }
+    ),
+    'route / defined'
+);
 
 ok( prefix(undef), "undef prefix" );
 
@@ -66,6 +74,7 @@ ok(
 );
 
 my @tests = (
+    { path => '/say/',        expected => 'char: all' },
     { path => '/say/A',       expected => 'char: A' },
     { path => '/say/24',      expected => 'number: 24' },
     { path => '/say/B',       expected => 'char: B' },
diff --git a/t/17_apps/03_prefix.t b/t/17_apps/03_prefix.t
index 71c6d4434..4a639e452 100644
--- a/t/17_apps/03_prefix.t
+++ b/t/17_apps/03_prefix.t
@@ -1,4 +1,4 @@
-use Test::More tests => 3, import => ['!pass'];
+use Test::More tests => 5, import => ['!pass'];
 use strict;
 use warnings;
 
@@ -7,6 +7,10 @@ use Dancer::Test;
 
 prefix '/foo';
 
+get '/' => sub {
+    '/foo and /foo/'
+};
+
 get '/bar' => sub {
     "/foo/bar"
 };
@@ -17,6 +21,8 @@ get '/baz' => sub {
     "/baz"
 };
 
-response_content_is [GET => "/foo/bar"], "/foo/bar";
-response_doesnt_exist [GET => '/foo/baz'];
-response_content_is [GET => "/baz"], "/baz";
+response_content_is [ GET => "/foo/bar" ], "/foo/bar";
+response_content_is [ GET => "/foo/" ],    "/foo and /foo/";
+response_content_is [ GET => "/foo" ],     "/foo and /foo/";
+response_doesnt_exist [ GET => '/foo/baz' ];
+response_content_is [ GET => "/baz" ], "/baz";