diff --git a/code/modules/surgery/organs/subtypes/diona.dm b/code/modules/surgery/organs/subtypes/diona.dm
index 3317aca4648..9812c3d8fc6 100644
--- a/code/modules/surgery/organs/subtypes/diona.dm
+++ b/code/modules/surgery/organs/subtypes/diona.dm
@@ -5,6 +5,7 @@
 	amputation_point = "trunk"
 	encased = null
 	gendered_icon = 0
+	convertable_children = list(/obj/item/organ/external/groin/diona)
 
 /obj/item/organ/external/groin/diona
 	name = "fork"
@@ -17,24 +18,28 @@
 	max_damage = 35
 	min_broken_damage = 20
 	amputation_point = "upper left trunk"
+	convertable_children = list(/obj/item/organ/external/arm/diona)
 
 /obj/item/organ/external/arm/right/diona
 	name = "right upper tendril"
 	max_damage = 35
 	min_broken_damage = 20
 	amputation_point = "upper right trunk"
+	convertable_children = list(/obj/item/organ/external/arm/right/diona)
 
 /obj/item/organ/external/leg/diona
 	name = "left lower tendril"
 	max_damage = 35
 	min_broken_damage = 20
 	amputation_point = "lower left fork"
+	convertable_children = list(/obj/item/organ/external/leg/diona)
 
 /obj/item/organ/external/leg/right/diona
 	name = "right lower tendril"
 	max_damage = 35
 	min_broken_damage = 20
 	amputation_point = "lower right fork"
+	convertable_children = list(/obj/item/organ/external/leg/right/diona)
 
 /obj/item/organ/external/foot/diona
 	name = "left foot"
diff --git a/code/modules/surgery/organs/subtypes/unbreakable.dm b/code/modules/surgery/organs/subtypes/unbreakable.dm
index b4fca2150fc..047e2f01fa1 100644
--- a/code/modules/surgery/organs/subtypes/unbreakable.dm
+++ b/code/modules/surgery/organs/subtypes/unbreakable.dm
@@ -1,21 +1,26 @@
 /obj/item/organ/external/chest/unbreakable
 	cannot_break = TRUE
 	encased = null
+	convertable_children = list(/obj/item/organ/external/groin/unbreakable)
 
 /obj/item/organ/external/groin/unbreakable
 	cannot_break = TRUE
 
 /obj/item/organ/external/arm/unbreakable
 	cannot_break = TRUE
+	convertable_children = list(/obj/item/organ/external/hand/unbreakable)
 
 /obj/item/organ/external/arm/right/unbreakable
 	cannot_break = TRUE
+	convertable_children = list(/obj/item/organ/external/hand/right/unbreakable)
 
 /obj/item/organ/external/leg/unbreakable
 	cannot_break = TRUE
+	convertable_children = list(/obj/item/organ/external/foot/right/unbreakable)
 
 /obj/item/organ/external/leg/right/unbreakable
 	cannot_break = TRUE
+	convertable_children = list(/obj/item/organ/external/foot/right/unbreakable)
 
 /obj/item/organ/external/foot/unbreakable
 	cannot_break = TRUE