diff --git a/maps/_common/mapsystem/map.dm b/maps/_common/mapsystem/map.dm
index a1027826437..8abfb14d71d 100644
--- a/maps/_common/mapsystem/map.dm
+++ b/maps/_common/mapsystem/map.dm
@@ -224,7 +224,7 @@
 			guaranteed += site
 			if ((site.template_flags & TEMPLATE_FLAG_ALLOW_DUPLICATES) && !(site.template_flags & TEMPLATE_FLAG_RUIN_STARTS_DISALLOWED))
 				available[site] = site.spawn_weight
-		else if (!(site.template_flags & TEMPLATE_FLAG_RUIN_STARTS_DISALLOWED))
+		else if (!(site.template_flags & TEMPLATE_FLAG_RUIN_STARTS_DISALLOWED) && (SSatlas.current_sector.name in site.sectors))
 			available[site] = site.spawn_weight
 		by_type[site.type] = site