diff --git a/src/gui_w48.c b/src/gui_w48.c
index 7789ef2..f2265ff 100644
--- a/src/gui_w48.c
+++ b/src/gui_w48.c
@@ -1780,10 +1780,10 @@
 #ifdef FEAT_CHANNEL
     if (msg.message == WM_NETBEANS)
     {
-	int channel_idx = channel_socket2idx((sock_T)msg.wParam);
+	int channel_idx = channel_fd2idx((sock_T)msg.wParam);
 
 	if (channel_idx >= 0)
-	    channel_read(channel_idx);
+	    channel_read(channel_idx, FALSE, "process_message");
 	return;
     }
 #endif