1 files changed, 2 insertions, 1 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index 9911f47c2a4..640f7006dd1 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -9391,7 +9391,8 @@ update_tool_bar (f, save_match_data)
                                          &new_n_tool_bar);
 
           /* Redisplay the tool-bar if we changed it.  */
-          if (NILP (Fequal (new_tool_bar, f->tool_bar_items)))
+          if (new_n_tool_bar != f->n_tool_bar_items
+              || NILP (Fequal (new_tool_bar, f->tool_bar_items)))
             {
               /* Redisplay that happens asynchronously due to an expose event
                  may access f->tool_bar_items.  Make sure we update both