diff --git a/security/anti-evil-maid.md b/security/anti-evil-maid.md
index f70dcbfb..bd3ab5d3 100644
--- a/security/anti-evil-maid.md
+++ b/security/anti-evil-maid.md
@@ -16,6 +16,16 @@ Background
 
 Please read [this blog article](https://blog.invisiblethings.org/2011/09/07/anti-evil-maid.html).
 
+Prerequsites
+----------
+
+The current package requires a TPM 1.2 interface and a working Intel TXT engine.
+If you neutered your Intel Management Engine with e.g. [me_cleaner](https://github.com/corna/me_cleaner)
+while installing [CoreBoot](https://www.coreboot.org/) then you are out of luck.
+So, for now, you have to choose between deblobbing your BIOS and Anti Evil Maid.
+
+[Discussion](https://groups.google.com/d/msg/qubes-users/sEmZfOZqYXM/j5rHeex1BAAJ)
+
 Installing
 ----------