diff --git a/.gitignore b/.gitignore
index f02a2f8..b6285d6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ build
 composer.lock
 docs
 vendor
+.phpunit.result.cache
diff --git a/src/Router.php b/src/Router.php
index 11d8374..fe5f055 100644
--- a/src/Router.php
+++ b/src/Router.php
@@ -132,6 +132,9 @@ private function createAltoRoutes()
 
         $this->altoRouter = new AltoRouter();
         $this->altoRouter->setBasePath($this->basePath);
+        $this->altoRouter->addMatchTypes([
+             '' => '[^/]++',
+        ]);
         $this->altoRoutesCreated = true;
 
         foreach ($this->routes as $route) {
diff --git a/tests/RouterTest.php b/tests/RouterTest.php
index 16184f7..b6fbb48 100644
--- a/tests/RouterTest.php
+++ b/tests/RouterTest.php
@@ -384,6 +384,23 @@ public function params_are_parsed_and_passed_into_callback_function()
         $this->assertSame(1, $count);
     }
 
+    /** @test */
+    public function params_may_contain_full_stops()
+    {
+        $request = new ServerRequest([], [], '/posts/a.b.c', 'GET');
+        $router = new Router;
+
+        $route = $router->get('/posts/{postId}', function ($params) use (&$count) {
+            $count++;
+
+            $this->assertInstanceOf(RouteParams::class, $params);
+            $this->assertSame('a.b.c', $params->postId);
+        });
+        $router->match($request);
+
+        $this->assertSame(1, $count);
+    }
+
     /** @test */
     public function params_are_parsed_and_passed_into_callback_function_when_surrounded_by_whitespace()
     {