diff --git a/code/__DEFINES/research/anomalies.dm b/code/__DEFINES/research/anomalies.dm
index c5b626cf9249..b53f5bd1ae98 100644
--- a/code/__DEFINES/research/anomalies.dm
+++ b/code/__DEFINES/research/anomalies.dm
@@ -73,7 +73,8 @@ GLOBAL_LIST_INIT(bioscrambler_organs_blacklist, typecacheof(list(
 	/obj/item/organ/internal/liver/gondola,
 	/obj/item/organ/internal/heart/gondola,
 	/obj/item/organ/internal/tongue/gondola,
-	/obj/item/organ/internal/empowered_borer_egg
+	/obj/item/organ/internal/empowered_borer_egg,
+	/obj/item/organ/internal/butt/atomic,
 )) - subtypesof(/obj/item/organ/external/wings/functional) - typesof(/obj/item/organ/external/wings/moth))
 
 /// List of body parts we can apply to people