diff --git a/wadsrc/static/compatibility.txt b/wadsrc/static/compatibility.txt
index e222538e1..843e773b6 100644
--- a/wadsrc/static/compatibility.txt
+++ b/wadsrc/static/compatibility.txt
@@ -209,6 +209,9 @@ F73A74BD9346AD3B6AF8246F7B389A1E // Memento Mori map20
 9D7288F7235157D8478E409CD7AE9F68 // akeldama.wad map26
 DEABADC01FE74273B7616F744EDF66D0 // dbimpact.wad e1m3
 4FDDBEED4FC6092095955FAE82C059EE // 1024.wad map02
+984A24A876E2530AEA9FD10481C362AF // sdoom2.wad map18
+40EE423E612AAAD6921AD803F62A6FCC // sdoom2.wad map23
+DCC92553625E34F94B2ED1B2719A2CB6 // sdoom2.wad map24
 {
 	rebuildnodes
 }