diff --git a/kubejs/data/sandworm_mod/tags/worldgen/biome/can_spawn_sandworms.json b/kubejs/data/sandworm_mod/tags/worldgen/biome/can_spawn_sandworms.json
deleted file mode 100644
index c9e2eb3f5..000000000
--- a/kubejs/data/sandworm_mod/tags/worldgen/biome/can_spawn_sandworms.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-	"values": [
-		"tfg:mars/martian_dunes"
-	]
-}
\ No newline at end of file
diff --git a/kubejs/server_scripts/ad_astra/tags.js b/kubejs/server_scripts/ad_astra/tags.js
index a0854a03c..7f5b9cab7 100644
--- a/kubejs/server_scripts/ad_astra/tags.js
+++ b/kubejs/server_scripts/ad_astra/tags.js
@@ -279,6 +279,9 @@ const registerAdAstraBiomeTags = (event) => {
 		event.add('tfg:has_structure/moon_rabbit_houses', biome)
 		event.add('species:limpet_spawns', biome)
 	})
+
+	event.add('sandworm_mod:can_spawn_sandworms', 'tfg:mars/martian_dunes')
+	event.add('sandworm_mod:can_spawn_sandworms', 'tfg:mars/martian_deep_desert')
 }
 
 const registerAdAstraEntityTypeTags = (event) => {