diff --git a/src/packaging/pylock.py b/src/packaging/pylock.py
index 1c72fb0df..f06a1fbd5 100644
--- a/src/packaging/pylock.py
+++ b/src/packaging/pylock.py
@@ -452,7 +452,7 @@ def _from_dict(cls, d: Mapping[str, Any]) -> Self:
     @property
     def filename(self) -> str:
         """Get the filename of the sdist."""
-        filename = self.name or _url_name(self.url) or _path_name(self.path)
+        filename = self.name or _path_name(self.path) or _url_name(self.url)
         if not filename:
             raise PylockValidationError("Cannot determine sdist filename")
         return filename
@@ -501,7 +501,7 @@ def _from_dict(cls, d: Mapping[str, Any]) -> Self:
     @property
     def filename(self) -> str:
         """Get the filename of the wheel."""
-        filename = self.name or _url_name(self.url) or _path_name(self.path)
+        filename = self.name or _path_name(self.path) or _url_name(self.url)
         if not filename:
             raise PylockValidationError("Cannot determine wheel filename")
         return filename
diff --git a/tests/test_pylock.py b/tests/test_pylock.py
index f29b47e5e..f99a82d5c 100644
--- a/tests/test_pylock.py
+++ b/tests/test_pylock.py
@@ -339,13 +339,13 @@ def test_pylock_invalid_vcs() -> None:
             "example-2.0.tar.gz",
         ),
         (
-            # url preferred over path
+            # path preferred over url
             PackageSdist(
                 url="https://example.com/example-2.0.tar.gz",
                 path="./example-1.0.tar.gz",
                 hashes={},
             ),
-            "example-2.0.tar.gz",
+            "example-1.0.tar.gz",
         ),
         # wheels
         (
@@ -402,13 +402,13 @@ def test_pylock_invalid_vcs() -> None:
             "example-2.0-py3-none-any.whl",
         ),
         (
-            # url preferred over path
+            # path preferred over url
             PackageWheel(
                 url="https://example.com/example-2.0-py3-none-any.whl",
                 path="./example-1.0-py3-none-any.whl",
                 hashes={},
             ),
-            "example-2.0-py3-none-any.whl",
+            "example-1.0-py3-none-any.whl",
         ),
     ],
 )