diff --git a/system/src/Grav/Common/Uri.php b/system/src/Grav/Common/Uri.php
index 06501b87d..9646f27bc 100644
--- a/system/src/Grav/Common/Uri.php
+++ b/system/src/Grav/Common/Uri.php
@@ -184,7 +184,7 @@ class Uri
         $params = parse_url($url);
 
         $this->name = $params['host'];
-        $this->port = isset($params['port']) ? $params['port'] : '';
+        $this->port = isset($params['port']) ? $params['port'] : '80';
 
         $this->uri = $params['path'];
         if (isset($params['query'])) {
diff --git a/tests/unit/Grav/Common/UriTest.php b/tests/unit/Grav/Common/UriTest.php
index e8e129bf3..47efc04a9 100644
--- a/tests/unit/Grav/Common/UriTest.php
+++ b/tests/unit/Grav/Common/UriTest.php
@@ -69,7 +69,7 @@ class UriTest extends \Codeception\TestCase\Test
         $this->assertTrue($uri->port() == '80');
 
         $uri->initializeWithURL('http://localhost/grav/it/ueper?test=x')->init();
-        $this->assertTrue($uri->port() == '');
+        $this->assertTrue($uri->port() == '80');
 
         $uri->initializeWithURL('http://localhost:8080/grav/it/ueper')->init();
         $this->assertTrue($uri->params() == null);