diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
index 18fe37962af..12a40b029a5 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -213,7 +213,10 @@ def __init__(self, name, level, pathname, lineno, msg, args, exc_info):
             self.thread = thread.get_ident()
         else:
             self.thread = None
-        self.process = os.getpid()
+        if hasattr(os, 'getpid'):
+            self.process = os.getpid()
+        else:
+            self.process = None
 
     def __str__(self):
         return '<LogRecord: %s, %s, %s, %s, "%s">'%(self.name, self.levelno,