diff --git a/src/chat_control.py b/src/chat_control.py
index 97f5d177ca32983fb61a376e26733d54e34c9ff0..a5c26ccf19e884e52cab10cfcd71d53c2955ff8c 100644
--- a/src/chat_control.py
+++ b/src/chat_control.py
@@ -2214,12 +2214,21 @@ class ChatControl(ChatControlBase):
                         fixed = self.xml.get_object('outgoing_fixed')
                         fixed.set_no_show_all(False)
                         video_hbox.show_all()
-                        out_xid = self.xml.get_object('outgoing_drawingarea').\
-                            window.xid
+                        if os.name == 'nt':
+                            out_xid = self.xml.get_object(
+                                'outgoing_drawingarea').window.handle
+                        else:
+                            out_xid = self.xml.get_object(
+                                'outgoing_drawingarea').window.xid
                     else:
                         out_xid = None
                     video_hbox.show_all()
-                    in_xid = self.xml.get_object('incoming_drawingarea').window.xid
+                    if os.name == 'nt':
+                        in_xid = self.xml.get_object('incoming_drawingarea').\
+                            window.handle
+                    else:
+                        in_xid = self.xml.get_object('incoming_drawingarea').\
+                            window.xid
                     sid = gajim.connections[self.account].start_video(
                         self.contact.get_full_jid(), in_xid, out_xid)
                 else:
diff --git a/src/dialogs.py b/src/dialogs.py
index 5c2e7f48cbc7ea46241e33cd3cbf789218e96df7..15eae126d1acf55ea51c6f0238b3d9bf24c213b4 100644
--- a/src/dialogs.py
+++ b/src/dialogs.py
@@ -5345,12 +5345,21 @@ class VoIPCallReceivedDialog(object):
                     fixed = ctrl.xml.get_object('outgoing_fixed')
                     fixed.set_no_show_all(False)
                 video_hbox.show_all()
-                in_xid = ctrl.xml.get_object('incoming_drawingarea').window.xid
+                if os.name == 'nt':
+                    in_xid = ctrl.xml.get_object('incoming_drawingarea').\
+                        window.handle
+                else:
+                    in_xid = ctrl.xml.get_object('incoming_drawingarea').\
+                        window.xid
                 content = session.get_content('video')
                 # move outgoing stream to chat window
                 if gajim.config.get('video_see_self'):
-                    out_xid = ctrl.xml.get_object('outgoing_drawingarea').\
-                        window.xid
+                    if os.name == 'nt':
+                        out_xid = ctrl.xml.get_object('outgoing_drawingarea').\
+                            window.handle
+                    else:
+                        out_xid = ctrl.xml.get_object('outgoing_drawingarea').\
+                            window.xid
                     b = content.src_bin
                     found = False
                     for e in b.elements():