diff --git a/rules.ini b/rules.ini
index 91b63ca72..2d7416e7d 100644
--- a/rules.ini
+++ b/rules.ini
@@ -139,7 +139,8 @@ KMY = (?:^|/)kmyCore\.dll$
 Lightvn = \.vndat$
 Lime_OR_OpenFL = (?:^|/)lime(?:-legacy)?\.[hn]dll$
 Liquid = (?:^|/)PCTouchHelper\.dll$
-LithTech = (?:^|/)default\.archcfg$
+LithTech[] = (?:^|/)default\.archcfg$
+LithTech[] = (?:^|/)(?:ltmsg|de_msg|ltmemory)\.dll$
 Love2D = (?:^|/)(?:lib)?love\.(?:dll|so|so\.0)$
 Marmalade = (?:^|/)angle/lib(?:EGL|GLESv2)Marmalade\.dll
 MonoGame = (?:^|/)monogame
diff --git a/tests/types/Engine.LithTech.txt b/tests/types/Engine.LithTech.txt
index bff270549..92a5c6d60 100644
--- a/tests/types/Engine.LithTech.txt
+++ b/tests/types/Engine.LithTech.txt
@@ -1,2 +1,8 @@
 /default.archcfg
 default.archcfg
+ltmsg.dll
+/ltmsg.dll
+de_msg.dll
+/de_msg.dll
+ltmemory.dll
+/ltmemory.dll
\ No newline at end of file