diff --git a/core/lib/Drupal/Core/Url.php b/core/lib/Drupal/Core/Url.php
index 604d3d6..c685c1a 100644
--- a/core/lib/Drupal/Core/Url.php
+++ b/core/lib/Drupal/Core/Url.php
@@ -298,11 +298,12 @@ public function setOption($name, $value) {
    * @return string
    *   The external path.
    *
-   * @throws \Exception
+   * @throws \UnexpectedValueException
+   *   Thrown when the path was requested for an internal URL.
    */
   public function getPath() {
     if (!$this->isExternal()) {
-      throw new \Exception('Internal URLs do not have external paths.');
+      throw new \UnexpectedValueException('Internal URLs do not have external paths.');
     }
     return $this->path;
   }
diff --git a/core/tests/Drupal/Tests/Core/UrlTest.php b/core/tests/Drupal/Tests/Core/UrlTest.php
index 50ea4d3..668794f 100644
--- a/core/tests/Drupal/Tests/Core/UrlTest.php
+++ b/core/tests/Drupal/Tests/Core/UrlTest.php
@@ -206,7 +206,7 @@ public function testIsExternal($urls) {
    *
    * @depends testCreateFromPath
    *
-   * @expectedException \Exception
+   * @expectedException \UnexpectedValueException
    *
    * @covers ::getPath()
    */