diff --git a/rdpy/protocol/rdp/rdp.py b/rdpy/protocol/rdp/rdp.py
index fb63951..fe6abbf 100644
--- a/rdpy/protocol/rdp/rdp.py
+++ b/rdpy/protocol/rdp/rdp.py
@@ -31,7 +31,7 @@ class RDP(object):
         for observer in self._observers:
             #for each rectangle in update PDU
             for rectangle in bitmapUpdateData.rectangles._array:
-                observer.notifyBitmapUpdate(rectangle.destLeft.value, rectangle.destTop.value, rectangle.destRight.value, rectangle.destBottom.value, rectangle.width.value, rectangle.height.value, rectangle.bitsPerPixel.value, rectangle.flags | pdu.BitmapFlag.BITMAP_COMPRESSION, rectangle.bitmapDataStream.value)
+                observer.notifyBitmapUpdate(rectangle.destLeft.value, rectangle.destTop.value, rectangle.destRight.value, rectangle.destBottom.value, rectangle.width.value, rectangle.height.value, rectangle.bitsPerPixel.value, (rectangle.flags & pdu.BitmapFlag.BITMAP_COMPRESSION).value, rectangle.bitmapDataStream.value)
 
 class Factory(protocol.Factory):
     '''
diff --git a/rdpy/protocol/rdp/tpdu.py b/rdpy/protocol/rdp/tpdu.py
index 331b143..f02c3dd 100644
--- a/rdpy/protocol/rdp/tpdu.py
+++ b/rdpy/protocol/rdp/tpdu.py
@@ -164,7 +164,7 @@ class TPDU(LayerAutomata):
         
         self._requestedProtocol = message.protocolNeg.selectedProtocol
         
-        if not self._requestedProtocol | Protocols.PROTOCOL_SSL:
+        if not self._requestedProtocol & Protocols.PROTOCOL_SSL:
             #send error message and quit
             message = TPDUConnectMessage()
             message.code = MessageType.X224_TPDU_CONNECTION_CONFIRM