diff --git a/wadsrc/static/compatibility.txt b/wadsrc/static/compatibility.txt
index 6cbe36af47..799168f759 100644
--- a/wadsrc/static/compatibility.txt
+++ b/wadsrc/static/compatibility.txt
@@ -401,3 +401,8 @@ D0139194F7817BF06F3988DFC47DB38D // Whispers of Satan map29
 {
 	nopassover
 }
+
+D7F6E9F08C39A17026349A04F8C0B0BE // Return to Hadron, e1m9
+{
+	pointonline
+}