diff --git a/tests/unit/packaging/test_models.py b/tests/unit/packaging/test_models.py
index 7529f31a6658..b6fa00a1bd53 100644
--- a/tests/unit/packaging/test_models.py
+++ b/tests/unit/packaging/test_models.py
@@ -159,6 +159,14 @@ def test_has_meta_false(self, db_session):
                     ("Source Code", "https://example.com/source-code/"),
                 ]),
             ),
+            (
+                None,
+                None,
+                ["Source Code, https://example.com/source-code/"],
+                OrderedDict([
+                    ("Source Code", "https://example.com/source-code/"),
+                ]),
+            ),
             (
                 "https://example.com/home/",
                 "https://example.com/download/",
diff --git a/warehouse/packaging/models.py b/warehouse/packaging/models.py
index e8c240552b93..1466627365a3 100644
--- a/warehouse/packaging/models.py
+++ b/warehouse/packaging/models.py
@@ -338,7 +338,7 @@ def urls(self):
             _urls["Homepage"] = self.home_page
 
         for urlspec in self.project_urls:
-            name, url = urlspec.split(",", 1)
+            name, url = [x.strip() for x in urlspec.split(",", 1)]
             _urls[name] = url
 
         if self.download_url and "Download" not in _urls: