diff --git a/CMake/Mods.cmake b/CMake/Mods.cmake
index 10ef396d3..2a5a84224 100644
--- a/CMake/Mods.cmake
+++ b/CMake/Mods.cmake
@@ -14,6 +14,7 @@ set(hellfire_mod
   txtdata/missiles/misdat.tsv
   txtdata/missiles/missile_sprites.tsv
   txtdata/monsters/monstdat.tsv
+  txtdata/sound/effects.tsv
   txtdata/spells/spelldat.tsv
   ui_art/diablo.pal
   ui_art/hf_titlew.clx