diff --git a/src/arglist.c b/src/arglist.c
index a63f6c7..d28b31d 100644
--- a/src/arglist.c
+++ b/src/arglist.c
@@ -983,6 +983,9 @@
 
     if (aall->had_tab > 0)
 	goto_tabpage_tp(first_tabpage, TRUE, TRUE);
+
+    // moving tabpages around in an autocommand may cause an endless loop
+    tabpage_move_disallowed++;
     for (;;)
     {
 	tpnext = curtab->tp_next;
@@ -1093,6 +1096,7 @@
 
 	goto_tabpage_tp(tpnext, TRUE, TRUE);
     }
+    tabpage_move_disallowed--;
 }
 
 /*
diff --git a/src/globals.h b/src/globals.h
index d54e311..c03fe97 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -792,8 +792,9 @@
 #endif
 
 EXTERN int	autocmd_busy INIT(= FALSE);	// Is apply_autocmds() busy?
-EXTERN int	autocmd_no_enter INIT(= FALSE); // *Enter autocmds disabled
-EXTERN int	autocmd_no_leave INIT(= FALSE); // *Leave autocmds disabled
+EXTERN int	autocmd_no_enter INIT(= FALSE); // Buf/WinEnter autocmds disabled
+EXTERN int	autocmd_no_leave INIT(= FALSE); // Buf/WinLeave autocmds disabled
+EXTERN int	tabpage_move_disallowed INIT(= FALSE);  // moving tabpages around disallowed
 
 EXTERN int	modified_was_set;		// did ":set modified"
 EXTERN int	did_filetype INIT(= FALSE);	// FileType event found
diff --git a/src/testdir/test_tabpage.vim b/src/testdir/test_tabpage.vim
index eed26f7..906fefc 100644
--- a/src/testdir/test_tabpage.vim
+++ b/src/testdir/test_tabpage.vim
@@ -903,4 +903,23 @@
   bwipe!
 endfunc
 
+" this was causing an endless loop
+func Test_tabpage_drop_tabmove()
+  augroup TestTabpageTabmove
+    au!
+    autocmd! TabEnter * :if tabpagenr() > 1 | tabmove - | endif
+  augroup end
+  $tab drop XTab_99.log
+  $tab drop XTab_98.log
+  $tab drop XTab_97.log
+
+  autocmd! TestTabpageTabmove
+  augroup! TestTabpageTabmove
+
+  " clean up
+  bwipe!
+  bwipe!
+  bwipe!
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
index a81665a..03f44e4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2168,
+/**/
     2167,
 /**/
     2166,
diff --git a/src/window.c b/src/window.c
index be010dc..9f80657 100644
--- a/src/window.c
+++ b/src/window.c
@@ -4970,6 +4970,9 @@
     if (first_tabpage->tp_next == NULL)
 	return;
 
+    if (tabpage_move_disallowed)
+	return;
+
     for (tp = first_tabpage; tp->tp_next != NULL && n < nr; tp = tp->tp_next)
 	++n;