diff --git a/wadsrc/static/compatibility.txt b/wadsrc/static/compatibility.txt
index aacd2b5cf..b2a6ec73b 100644
--- a/wadsrc/static/compatibility.txt
+++ b/wadsrc/static/compatibility.txt
@@ -252,6 +252,7 @@ D7F6E9F08C39A17026349A04F8C0B0BE // Return to Hadron, e1m9
 5BDA34DA60C0530794CC1EA2DA017976 // doom2.wad map14
 5B3F118B337BFBFB8D5C81E98AF7B71D // Ancient Aliens map23
 7C1913DEE396BA26CFF22A0E9369B7D2 // Nuke Mine, e1m2
+BFC69170CCE3550A0A53C4A556E7FD69 // btsx_e2a.wad map06
 {
 	pointonline
 }