diff --git a/wadsrc/static/compatibility.txt b/wadsrc/static/compatibility.txt
index b3f41128d1..81628f8af7 100644
--- a/wadsrc/static/compatibility.txt
+++ b/wadsrc/static/compatibility.txt
@@ -196,6 +196,7 @@ A9A9A728E689266939C1B71655F320CA // pl2.wad map25
 836E09559FF22A7A37C2587F7EAFF1EE // Requiem MAP29 - Incorrect sector lighting and vanishing items
 35F80C968E1D41D37E543AF74F862A31 // Memento Mori map15
 F73A74BD9346AD3B6AF8246F7B389A1E // Memento Mori map20
+9D7288F7235157D8478E409CD7AE9F68 // akeldama.wad map26
 {
 	rebuildnodes
 }