diff --git a/bin/app/data/config/buildings.toml b/bin/app/data/config/buildings.toml
index 7b0195d..b68e8bd 100644
--- a/bin/app/data/config/buildings.toml
+++ b/bin/app/data/config/buildings.toml
@@ -82,6 +82,6 @@ cost = 25
 player_placeable = true
 construction_time_seconds = 1
 surface_mask = [
-  "SAA",
-  "SAA>",
+  "<AAS",
+  " AAS",
 ]