diff --git a/code/datums/diseases/_disease.dm b/code/datums/diseases/_disease.dm
index 519ee6a946e..954446639f3 100644
--- a/code/datums/diseases/_disease.dm
+++ b/code/datums/diseases/_disease.dm
@@ -6,7 +6,7 @@
 //Disease Flags
 #define CURABLE		1
 #define CAN_CARRY	2
-#define CAN_RESIST	3
+#define CAN_RESIST	4
 
 //Spread Flags
 #define SPECIAL 1
diff --git a/code/datums/diseases/appendicitis.dm b/code/datums/diseases/appendicitis.dm
index ee249664ab5..cf71a660a34 100644
--- a/code/datums/diseases/appendicitis.dm
+++ b/code/datums/diseases/appendicitis.dm
@@ -12,12 +12,10 @@
 	disease_flags = CAN_CARRY|CAN_RESIST
 	spread_flags = NON_CONTAGIOUS
 	visibility_flags = HIDDEN_PANDEMIC
-	required_organs = list(/obj/item/organ/limb/chest)
-
+	required_organs = list(/obj/item/organ/internal/appendix)
 
 /datum/disease/appendicitis/stage_act()
 	..()
-
 	switch(stage)
 		if(1)
 			if(prob(5))
diff --git a/code/modules/events/spontaneous_appendicitis.dm b/code/modules/events/spontaneous_appendicitis.dm
index 6219d1fda69..11e8d74923e 100644
--- a/code/modules/events/spontaneous_appendicitis.dm
+++ b/code/modules/events/spontaneous_appendicitis.dm
@@ -14,5 +14,5 @@
 			continue
 
 		var/datum/disease/D = new /datum/disease/appendicitis
-		H.AddDisease(D)
+		H.ForceContractDisease(D)
 		break
\ No newline at end of file
diff --git a/code/modules/surgery/appendectomy.dm b/code/modules/surgery/appendectomy.dm
index c89d1776deb..9355890cb5f 100644
--- a/code/modules/surgery/appendectomy.dm
+++ b/code/modules/surgery/appendectomy.dm
@@ -24,6 +24,9 @@
 		user.visible_message("[user] successfully removes [target]'s appendix!", "<span class='notice'>You successfully removes [target]'s appendix.</span>")
 		A.loc = get_turf(target)
 		A.Remove(target)
+		for(var/datum/disease/appendicitis in target.viruses)
+			appendicitis.cure()
+		target.resistances += /datum/disease/appendicitis
 	else
 		user << "<span class='warning'>You can't find an appendix in [target]!</span>"
-	return 1
\ No newline at end of file
+	return 1