diff --git a/src/w32term.c b/src/w32term.c
index 62ad4eb086b..51743f8f94d 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -6231,6 +6231,8 @@ x_set_window_size (struct frame *f, bool change_gravity,
     }
 
   unblock_input ();
+
+  do_pending_window_change (false);
 }
 
 /* Mouse warping.  */
diff --git a/src/xterm.c b/src/xterm.c
index ba9bf50de31..2f8e0775909 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -10746,6 +10746,8 @@ x_set_window_size (struct frame *f, bool change_gravity,
   cancel_mouse_face (f);
 
   unblock_input ();
+
+  do_pending_window_change (false);
 }
 
 /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F.  */