1 files changed, 3 insertions, 0 deletions

diff --git a/src/mac.c b/src/mac.c
index a71194f9aee..40bbacf15ce 100644
--- a/src/mac.c
+++ b/src/mac.c
@@ -4829,6 +4829,9 @@ sys_select (n, rfds, wfds, efds, timeout)
             return 0;
         }
 
+#if USE_CG_DRAWING
+      mac_prepare_for_quickdraw (NULL);
+#endif
       /* Avoid initial overhead of RunLoop setup for the case that
          some input is already available.  */
       EMACS_SET_SECS_USECS (select_timeout, 0, 0);