diff --git a/dlls/webservices/channel.c b/dlls/webservices/channel.c
index 16a8b8484f6..a8ad01235f7 100644
--- a/dlls/webservices/channel.c
+++ b/dlls/webservices/channel.c
@@ -1547,12 +1547,10 @@ static HRESULT send_preamble_ack( struct channel *channel )
     return S_OK;
 }
 
-static HRESULT receive_message_session_setup( struct channel *channel )
+static HRESULT receive_message_session( struct channel *channel )
 {
     HRESULT hr;
 
-    if ((hr = receive_preamble( channel )) != S_OK) return hr;
-    if ((hr = send_preamble_ack( channel )) != S_OK) return hr;
     if ((hr = receive_sized_envelope( channel )) != S_OK) return hr;
     if (channel->encoding == WS_ENCODING_XML_BINARY_SESSION_1)
     {
@@ -1566,13 +1564,6 @@ static HRESULT receive_message_session_setup( struct channel *channel )
     return init_reader( channel );
 }
 
-static HRESULT receive_message_session( struct channel *channel )
-{
-    HRESULT hr;
-    if ((hr = receive_sized_envelope( channel )) != S_OK) return hr;
-    return init_reader( channel );
-}
-
 static HRESULT receive_message_sock( struct channel *channel, SOCKET socket )
 {
     HRESULT hr;
@@ -1596,7 +1587,9 @@ static HRESULT receive_message( struct channel *channel )
             switch (channel->session_state)
             {
             case SESSION_STATE_UNINITIALIZED:
-                return receive_message_session_setup( channel );
+                if ((hr = receive_preamble( channel )) != S_OK) return hr;
+                if ((hr = send_preamble_ack( channel )) != S_OK) return hr;
+                /* fall through */
 
             case SESSION_STATE_SETUP_COMPLETE:
                 return receive_message_session( channel );