diff --git a/etc/profile-m-z/steam.profile b/etc/profile-m-z/steam.profile
index d44da9f71d..ce01301dd0 100644
--- a/etc/profile-m-z/steam.profile
+++ b/etc/profile-m-z/steam.profile
@@ -12,6 +12,7 @@ noblacklist ${HOME}/.config/MangoHud
 noblacklist ${HOME}/.config/ModTheSpire
 noblacklist ${HOME}/.config/RogueLegacy
 noblacklist ${HOME}/.config/RogueLegacyStorageContainer
+noblacklist ${HOME}/.config/UNDERTALE
 noblacklist ${HOME}/.factorio
 noblacklist ${HOME}/.killingfloor
 noblacklist ${HOME}/.klei
@@ -66,6 +67,7 @@ mkdir ${HOME}/.config/Loop_Hero
 mkdir ${HOME}/.config/MangoHud
 mkdir ${HOME}/.config/ModTheSpire
 mkdir ${HOME}/.config/RogueLegacy
+mkdir ${HOME}/.config/UNDERTALE
 mkdir ${HOME}/.config/unity3d
 mkdir ${HOME}/.factorio
 mkdir ${HOME}/.killingfloor
@@ -105,6 +107,7 @@ whitelist ${HOME}/.config/MangoHud
 whitelist ${HOME}/.config/ModTheSpire
 whitelist ${HOME}/.config/RogueLegacy
 whitelist ${HOME}/.config/RogueLegacyStorageContainer
+whitelist ${HOME}/.config/UNDERTALE
 whitelist ${HOME}/.config/unity3d
 whitelist ${HOME}/.factorio
 whitelist ${HOME}/.killingfloor