diff --git a/Lib/SimpleXMLRPCServer.py b/Lib/SimpleXMLRPCServer.py
index 4c28688..b304e45 100644
--- a/Lib/SimpleXMLRPCServer.py
+++ b/Lib/SimpleXMLRPCServer.py
@@ -600,7 +600,7 @@
             # POST data is normally available through stdin
             try:
                 length = int(os.environ.get('CONTENT_LENGTH', None))
-            except ValueError:
+            except (TypeError, ValueError):
                 length = -1
             if request_text is None:
                 request_text = sys.stdin.read(length)