diff --git a/build.lua b/build.lua
index d20a0b8..c97ab36 100644
--- a/build.lua
+++ b/build.lua
@@ -4,5 +4,5 @@ module = "luametalatex"
 
 tdsroot = "luametatex" -- Would be luametalatex but we use the same files for luametaplain
 
-installfiles = {"luametalatex*.lua", "luametaplain*.lua", "kpse.*"}
-sourcefiles = {"*.lua", "kpse.*"}
+installfiles = {"luameta*.lua", "luameta*.ini", "kpse.*", "luametalatex-ltexpl-hook.tex"}
+sourcefiles = {"luameta*.lua", "luameta*.ini", "kpse.*", "luametalatex-ltexpl-hook.tex"}