diff --git a/metadata/repository_mask.conf b/metadata/repository_mask.conf
index aaabbe80..52705947 100644
--- a/metadata/repository_mask.conf
+++ b/metadata/repository_mask.conf
@@ -12,6 +12,7 @@
     games-rpg/flare[~scm]
     games-rpg/valyriatear[~scm]
     games-strategy/freesynd[~scm]
+    games-strategy/s25rttr[~scm]
     media-gfx/pinta[~scm]
     media-sound/pnmixer-rs[~scm]
     media-sound/pnmixer[~scm]