diff --git a/lib/Cake/Routing/Router.php b/lib/Cake/Routing/Router.php
index dba1d6bad..26f6f82c9 100644
--- a/lib/Cake/Routing/Router.php
+++ b/lib/Cake/Routing/Router.php
@@ -803,6 +803,9 @@ class Router {
 			$params = $request->params;
 			$path = array('base' => $request->base, 'here' => $request->here);
 		}
+		if (empty($path['base'])) {
+			$path['base'] = Configure::read('App.base');
+		}
 
 		$base = $path['base'];
 		$extension = $output = $q = $frag = null;
diff --git a/lib/Cake/Test/Case/Routing/RouterTest.php b/lib/Cake/Test/Case/Routing/RouterTest.php
index 0508deb9f..23896fde4 100644
--- a/lib/Cake/Test/Case/Routing/RouterTest.php
+++ b/lib/Cake/Test/Case/Routing/RouterTest.php
@@ -80,6 +80,18 @@ class RouterTest extends CakeTestCase {
 		$this->assertEquals('https://example.com', Configure::read('App.fullBaseUrl'));
 	}
 
+/**
+ * Test that Router uses App.base to build URL's when there are no stored
+ * request objects.
+ *
+ * @return void
+ */
+	public function testBaseUrlWithBasePath() {
+		Configure::write('App.base', '/cakephp');
+		Router::fullBaseUrl('http://example.com');
+		$this->assertEquals('http://example.com/cakephp/tasks', Router::url('/tasks', true));
+	}
+
 /**
  * testRouteDefaultParams method
  *