diff --git a/Lib/platform.py b/Lib/platform.py
index 049c2c6ef25a1b..0b349752660ee4 100755
--- a/Lib/platform.py
+++ b/Lib/platform.py
@@ -802,6 +802,9 @@ def __getitem__(self, key):
             return self.processor
         return super().__getitem__(key)
 
+    def __len__(self):
+        return super().__len__() + 1  # Add 1 for self.processor.
+
 
 _uname_cache = None
 
diff --git a/Lib/test/test_platform.py b/Lib/test/test_platform.py
index 7664b38a720a7e..ef59a2a48bb7c0 100644
--- a/Lib/test/test_platform.py
+++ b/Lib/test/test_platform.py
@@ -153,6 +153,7 @@ def test_system_alias(self):
     def test_uname(self):
         res = platform.uname()
         self.assertTrue(any(res))
+        self.assertEqual(len(res), 6)
         self.assertEqual(res[0], res.system)
         self.assertEqual(res[1], res.node)
         self.assertEqual(res[2], res.release)