diff --git a/Lib/dbm/sqlite3.py b/Lib/dbm/sqlite3.py
index fe541738957524..b9c14b065540e7 100644
--- a/Lib/dbm/sqlite3.py
+++ b/Lib/dbm/sqlite3.py
@@ -35,7 +35,7 @@ def _normalize_uri_path(path):
         if path.drive:
             if not path.is_absolute():
                 path = Path(path).absolute()
-            return Path("/", path).as_posix()
+            return "/" + Path(path).as_posix()
     return path.as_posix()
 
 
diff --git a/Lib/test/test_dbm_sqlite3.py b/Lib/test/test_dbm_sqlite3.py
index 39c69ae00c81da..b307f93fb3753f 100644
--- a/Lib/test/test_dbm_sqlite3.py
+++ b/Lib/test/test_dbm_sqlite3.py
@@ -37,7 +37,7 @@ def test_uri_substitutions(self):
             with self.subTest(path=path, normalized=normalized):
                 self.assertEqual(_normalize_uri_path(path), normalized)
 
-    @unittest.skip("WIP")
+    @unittest.skipUnless(sys.platform == "win32", "requires Windows")
     def test_uri_windows(self):
         dataset = (
             # Relative subdir.