diff --git a/include/post.h b/include/post.h
index 3f259b725f4b9fcfc13698f69227fd597f8be303..3d23d22aea1c5741329d89515f71935b08fc7515 100644
--- a/include/post.h
+++ b/include/post.h
@@ -147,6 +147,7 @@ unsigned long post_time_ms (unsigned long base);
 extern struct post_test post_list[];
 extern unsigned int post_list_size;
 extern int post_hotkeys_pressed(void);
+extern int memory_post_test(int flags);
 
 /*
  *  If GCC is configured to use a version of GAS that supports