diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index b678f66..b6e1cbf 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -2768,7 +2768,9 @@
 		did_decrement = close_buffer(oldwin, curbuf,
 			 (flags & ECMD_HIDE) ? 0 : DOBUF_UNLOAD, FALSE, FALSE);
 
-		the_curwin->w_closing = FALSE;
+		// Autocommands may have closed the window.
+		if (win_valid(the_curwin))
+		    the_curwin->w_closing = FALSE;
 		--buf->b_locked;
 
 #ifdef FEAT_EVAL
diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index 71f8d2d..b1a235c 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -2726,4 +2726,15 @@
   au! BufNew
 endfunc
 
+func Test_autocmd_closes_window()
+  au BufNew,BufWinLeave * e %e
+  file yyy
+  au BufNew,BufWinLeave * ball
+  call assert_fails('n xxx', 'E143:')
+
+  bwipe %
+  au! BufNew
+  au! BufWinLeave
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
index 53ed13c..a93b81a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2464,
+/**/
     2463,
 /**/
     2462,