diff --git a/wadsrc/static/compatibility.txt b/wadsrc/static/compatibility.txt
index 81628f8af7..3a25331a18 100644
--- a/wadsrc/static/compatibility.txt
+++ b/wadsrc/static/compatibility.txt
@@ -197,6 +197,7 @@ A9A9A728E689266939C1B71655F320CA // pl2.wad map25
 35F80C968E1D41D37E543AF74F862A31 // Memento Mori map15
 F73A74BD9346AD3B6AF8246F7B389A1E // Memento Mori map20
 9D7288F7235157D8478E409CD7AE9F68 // akeldama.wad map26
+DEABADC01FE74273B7616F744EDF66D0 // dbimpact.wad e1m3
 {
 	rebuildnodes
 }