diff --git a/keystoneauth1/discover.py b/keystoneauth1/discover.py
index 5faecd05..af06db3c 100644
--- a/keystoneauth1/discover.py
+++ b/keystoneauth1/discover.py
@@ -1266,7 +1266,7 @@ class EndpointData(object):
 
         # First, check to see if the catalog url ends with a project id
         # We need to remove it and save it for later if it does
-        if project_id and url_parts[-1].endswith(project_id):
+        if project_id and (url_parts[-1] == project_id):
             self._saved_project_id = url_parts.pop()
         elif not project_id:
             # Peek to see if -2 is a version. If so, -1 is a project_id,
diff --git a/keystoneauth1/tests/unit/test_discovery.py b/keystoneauth1/tests/unit/test_discovery.py
index 75c72e44..b0dca60f 100644
--- a/keystoneauth1/tests/unit/test_discovery.py
+++ b/keystoneauth1/tests/unit/test_discovery.py
@@ -1296,6 +1296,10 @@ class VersionDataTests(utils.TestCase):
 
 
 class EndpointDataTests(utils.TestCase):
+    def setUp(self):
+        super(EndpointDataTests, self).setUp()
+        self.session = session.Session()
+
     @mock.patch('keystoneauth1.discover.get_discovery')
     @mock.patch('keystoneauth1.discover.EndpointData.'
                 '_get_discovery_url_choices')
@@ -1359,3 +1363,12 @@ class EndpointDataTests(utils.TestCase):
         bad_url = "https://compute.example.com/v2/123456"
         epd = discover.EndpointData(catalog_url=bad_url)
         self.assertEqual((2, 0), epd.api_version)
+
+    def test_url_version_match_project_id_int(self):
+        self.session = session.Session()
+        discovery_fixture = fixture.V3Discovery(V3_URL)
+        discovery_doc = _create_single_version(discovery_fixture)
+        self.requests_mock.get(V3_URL, status_code=200, json=discovery_doc)
+        epd = discover.EndpointData(catalog_url=V3_URL).get_versioned_data(
+            session=self.session, project_id='3')
+        self.assertEqual(epd.catalog_url, epd.url)