diff --git a/lib/Request.php b/lib/Request.php
index d123acf4..ef6c7043 100644
--- a/lib/Request.php
+++ b/lib/Request.php
@@ -143,7 +143,7 @@ class Request
         } elseif (array_key_exists('jsonld', $this->_params) && !empty($this->_params['jsonld'])) {
             $this->_operation = 'jsonld';
         } elseif (array_key_exists('link', $this->_params) && !empty($this->_params['link'])) {
-            if (strpos($this->getRequestUri(), '/shortenviayourls') !== false) {
+            if (strpos($this->getRequestUri(), '/shortenviayourls') !== false || array_key_exists('shortenviayourls', $this->_params)) {
                 $this->_operation = 'yourlsproxy';
             }
         }
diff --git a/tst/JsonApiTest.php b/tst/JsonApiTest.php
index 45784d24..032ff4d7 100644
--- a/tst/JsonApiTest.php
+++ b/tst/JsonApiTest.php
@@ -285,26 +285,39 @@ class JsonApiTest extends TestCase
 
     /**
      * @runInSeparateProcess
+     * @dataProvider baseUriProvider
      */
-    public function testShortenViaYourls()
+    public function testShortenViaYourls($baseUri)
     {
         $mock_yourls_service                = $this->_path . DIRECTORY_SEPARATOR . 'yourls.json';
         $options                            = parse_ini_file(CONF, true);
         $options['main']['basepath']        = 'https://example.com/path'; // missing slash gets added by Configuration constructor
-        $options['main']['urlshortener']    = 'https://example.com/path/shortenviayourls?link=';
+        $options['main']['urlshortener']    = 'https://example.com' . $baseUri . 'link=';
         $options['yourls']['apiurl']        = $mock_yourls_service;
         Helper::createIniFile(CONF, $options);
 
         // the real service answer is more complex, but we only look for the shorturl & statusCode
         file_put_contents($mock_yourls_service, '{"shorturl":"https:\/\/example.com\/1","statusCode":200}');
 
-        $_SERVER['REQUEST_URI'] = '/path/shortenviayourls?link=https%3A%2F%2Fexample.com%2Fpath%2F%3Ffoo%23bar';
+        $_SERVER['REQUEST_URI'] = $baseUri . 'link=https%3A%2F%2Fexample.com%2Fpath%2F%3Ffoo%23bar';
         $_GET['link']           = 'https://example.com/path/?foo#bar';
+        if (strpos($baseUri, '?shortenviayourls') !== false) {
+            $_GET['shortenviayourls'] = null;
+        }
         ob_start();
         new Controller;
         $content = ob_get_contents();
         ob_end_clean();
-        $this->assertStringContainsString('id="pasteurl" href="https://example.com/1"', $content, 'outputs shortened URL correctly');
+        $this->assertStringContainsString('id="pasteurl" href="https://example.com/1"', $content, "'{$baseUri}' outputs shortened URL correctly");
+    }
+
+    public function baseUriProvider()
+    {
+        return array(
+            array('/path/shortenviayourls?'),
+            array('/path/index.php/shortenviayourls?'),
+            array('/path?shortenviayourls&'),
+        );
     }
 
     /**