diff --git a/ChangeLog b/ChangeLog
index 809459f..25d9261 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,6 +6,11 @@ ChangeLog
   - Check for socket before attempting to close (#115)
   - Enable turning off SSL verification in wsdump.py(#116)
   - Enable to set subprotocol(#118)
+  - Better support for Autobahn test suite (http://autobahn.ws/testsuite) (#117)
+
+- v0.20.0
+
+  - fix typo.
 
 - v0.19.0
 
diff --git a/websocket/_core.py b/websocket/_core.py
index 8dcbff7..c50be47 100644
--- a/websocket/_core.py
+++ b/websocket/_core.py
@@ -720,7 +720,7 @@ class WebSocket(object):
                     self._cont_data = None
                     frame.data = data[1]
                     if not self.fire_cont_frame and data[0] == ABNF.OPCODE_TEXT and not validate_utf8(frame.data):
-                        raise WebSocketProtocolException("cannot decode: " + repr(frame.data))
+                        raise WebSocketPayloadException("cannot decode: " + repr(frame.data))
                     return [data[0], frame]
 
             elif frame.opcode == ABNF.OPCODE_CLOSE: