diff --git a/code/game/dna/genes/gene.dm b/code/game/dna/genes/gene.dm
index ad2b1f43c54..a39da68c92e 100644
--- a/code/game/dna/genes/gene.dm
+++ b/code/game/dna/genes/gene.dm
@@ -38,14 +38,16 @@
 	return 0
 
 // Called when the gene activates.  Do your magic here.
-/datum/dna/gene/proc/activate(var/mob/M, var/connected, var/flags)
+/datum/dna/gene/proc/activate(var/mob/living/M, var/connected, var/flags)
+	M.gene_stability += instability
 	return
 
 /**
 * Called when the gene deactivates.  Undo your magic here.
 * Only called when the block is deactivated.
 */
-/datum/dna/gene/proc/deactivate(var/mob/M, var/connected, var/flags)
+/datum/dna/gene/proc/deactivate(var/mob/living/M, var/connected, var/flags)
+	M.gene_stability -= instability
 	return
 
 // This section inspired by goone's bioEffects.
diff --git a/code/game/gamemodes/wizard/wizard.dm b/code/game/gamemodes/wizard/wizard.dm
index 6aa56d91c70..d98eae3135d 100644
--- a/code/game/gamemodes/wizard/wizard.dm
+++ b/code/game/gamemodes/wizard/wizard.dm
@@ -195,6 +195,7 @@
 	to_chat(wizard_mob, "In your pockets you will find a teleport scroll. Use it as needed.")
 	wizard_mob.mind.store_memory("<B>Remember:</B> do not forget to prepare your spells.")
 	wizard_mob.update_icons()
+	wizard_mob.gene_stability = 2 * DEFAULT_GENE_STABILITY //magic
 	return 1
 
 
diff --git a/code/modules/mob/living/carbon/human/human_defines.dm b/code/modules/mob/living/carbon/human/human_defines.dm
index 6f106f5e125..3af93392326 100644
--- a/code/modules/mob/living/carbon/human/human_defines.dm
+++ b/code/modules/mob/living/carbon/human/human_defines.dm
@@ -80,4 +80,4 @@ var/global/default_martial_art = new/datum/martial_art
 	var/fire_dmi = 'icons/mob/OnFire.dmi'
 	var/fire_sprite = "Standing"
 
-	var/datum/body_accessory/body_accessory = null
\ No newline at end of file
+	var/datum/body_accessory/body_accessory = null
diff --git a/code/modules/mob/living/carbon/human/life.dm b/code/modules/mob/living/carbon/human/life.dm
index 88c7964c07c..9a56765bf67 100644
--- a/code/modules/mob/living/carbon/human/life.dm
+++ b/code/modules/mob/living/carbon/human/life.dm
@@ -170,12 +170,10 @@
 		adjustCloneLoss(0.1)
 
 /mob/living/carbon/human/handle_mutations_and_radiation()
-	var/gene_stability = DEFAULT_GENE_STABILITY
 	for(var/datum/dna/gene/gene in dna_genes)
 		if(!gene.block)
 			continue
 		if(gene.is_active(src))
-			gene_stability -= gene.instability
 			speech_problem_flag = 1
 			gene.OnMobLife(src)
 	if(gene_stability < 85)
diff --git a/code/modules/mob/living/living_defines.dm b/code/modules/mob/living/living_defines.dm
index ce73ae369c0..d4e6d613d9c 100644
--- a/code/modules/mob/living/living_defines.dm
+++ b/code/modules/mob/living/living_defines.dm
@@ -54,4 +54,6 @@
 
 	var/list/butcher_results = null
 
-	var/list/surgeries = list()	//a list of surgery datums. generally empty, they're added when the player wants them.
\ No newline at end of file
+	var/list/surgeries = list()	//a list of surgery datums. generally empty, they're added when the player wants them.
+
+	var/gene_stability = DEFAULT_GENE_STABILITY