diff --git a/Lib/multiprocessing/process.py b/Lib/multiprocessing/process.py
index 0b04e36..56719d9 100644
--- a/Lib/multiprocessing/process.py
+++ b/Lib/multiprocessing/process.py
@@ -138,7 +138,7 @@
 
     @name.setter
     def name(self, name):
-        assert isinstance(name, str), 'name must be a string'
+        assert isinstance(name, basestring), 'name must be a string'
         self._name = name
 
     @property