diff --git a/code/modules/research/designs/medical_designs.dm b/code/modules/research/designs/medical_designs.dm
index 5e500e1f21..d8b00ddd61 100644
--- a/code/modules/research/designs/medical_designs.dm
+++ b/code/modules/research/designs/medical_designs.dm
@@ -740,7 +740,7 @@
 	id = "surgery_exp_dissection"
 	surgery = /datum/surgery/advanced/experimental_dissection/exp
 
-/datum/design/surgery/experimental_dissection/exp
+/datum/design/surgery/experimental_dissection/ext
 	name = "Extraterrestrial Dissection"
 	id = "surgery_ext_dissection"
 	surgery = /datum/surgery/advanced/experimental_dissection/alien