diff --git a/src/buffer.c b/src/buffer.c
index cbec9b9..2896734 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -750,10 +750,15 @@
      */
     if (wipe_buf)
     {
+	win_T	*wp;
+
 	// Do not wipe out the buffer if it is used in a window.
 	if (buf->b_nwindows > 0)
 	    return FALSE;
 
+	FOR_ALL_WINDOWS(wp)
+	    mark_forget_file(wp, buf->b_fnum);
+
 	if (action == DOBUF_WIPE_REUSE)
 	{
 	    // we can re-use this buffer number, store it