diff --git a/mods/ra/rules/structures.yaml b/mods/ra/rules/structures.yaml
index ab522e8154..5ccdaf1bb6 100644
--- a/mods/ra/rules/structures.yaml
+++ b/mods/ra/rules/structures.yaml
@@ -944,7 +944,7 @@ ATEK:
 		Range: 5c0
 		RevealGeneratedShroud: False
 	RevealsShroud@GAPGEN:
-		Range: 6c0
+		Range: 4c0
 	WithBuildingBib:
 	GpsPower:
 		PauseOnCondition: disabled