diff --git a/src/userprog/process.c b/src/userprog/process.c
index 9ef5282..dbfc8c2 100644
--- a/src/userprog/process.c
+++ b/src/userprog/process.c
@@ -811,6 +811,7 @@ get_usr_kpage (enum palloc_flags flags, void *upage)
     return NULL;
   else
     page = frame_alloc (flags, upage, t);
+  pagedir_set_accessed (t->pagedir, upage, true);
 #else
   page = palloc_get_page (flags | PAL_USER);
 #endif
diff --git a/src/vm/page.c b/src/vm/page.c
index 79c176f..a1c0349 100644
--- a/src/vm/page.c
+++ b/src/vm/page.c
@@ -77,7 +77,9 @@ page_load (struct page_entry *page, bool writable)
   /* Allocate a frame for the page. If a frame allocation fails, then
      frame_alloc should try to evict a page. If it is still NULL, the OS
      panics as this should not happen if eviction is working correctly. */
-  void *frame = frame_alloc (0, page->upage, thread_current ());
+  struct thread *t = thread_current ();
+  void *frame = frame_alloc (0, page->upage, t);
+  pagedir_set_accessed (t->pagedir, page->upage, true);
   if (frame == NULL)
     PANIC ("Could not allocate a frame to load page into memory.");