diff --git a/code/datums/goon_mutations_powers.dm b/code/datums/goon_mutations_powers.dm
index cab817b019e..38069f48488 100644
--- a/code/datums/goon_mutations_powers.dm
+++ b/code/datums/goon_mutations_powers.dm
@@ -21,6 +21,9 @@
 
 /datum/mutation/human/chameleon
 	name = "Chameleon"
+	quality = POSITIVE
+	get_chance = 10
+	lowest_value = 256 * 14
 	text_gain_indication = "<span class='notice'>You feel one with your surroundings.</span>"
 	text_lose_indication = "<span class='notice'>You feel oddly exposed.</span>"
 
diff --git a/code/datums/mutations.dm b/code/datums/mutations.dm
index d6046324421..a9e7da16668 100644
--- a/code/datums/mutations.dm
+++ b/code/datums/mutations.dm
@@ -28,9 +28,9 @@
 
 /datum/mutation/human/proc/set_se(se_string, on = 1)
 	if(!se_string || lentext(se_string) < DNA_STRUC_ENZYMES_BLOCKS * DNA_BLOCK_SIZE)	return
-	var/before = copytext(se_string, 1, (dna_block * DNA_BLOCK_SIZE) + 1)
-	var/injection = num2hex(lowest_value + (rand(1, 256 * 6) * (on ? 1 : -1)))
-	var/after = copytext(se_string, (dna_block * DNA_BLOCK_SIZE) + DNA_BLOCK_SIZE + 1)
+	var/before = copytext(se_string, 1, ((dna_block - 1) * DNA_BLOCK_SIZE) + 1)
+	var/injection = num2hex(on ? rand(lowest_value, (256 * 16) - 1) : rand(0, lowest_value - 1), DNA_BLOCK_SIZE)
+	var/after = copytext(se_string, (dna_block * DNA_BLOCK_SIZE) + 1, 0)
 	return before + injection + after
 
 /datum/mutation/human/proc/set_block(mob/living/carbon/owner, on = 1)
diff --git a/code/game/dna.dm b/code/game/dna.dm
index 7aa1c3a06cb..6b1ed80bd7a 100644
--- a/code/game/dna.dm
+++ b/code/game/dna.dm
@@ -82,9 +82,8 @@
 
 /datum/dna/proc/generate_struc_enzymes(mob/living/carbon/character)
 	var/list/L = list("0","1","2","3","4","5","6")
-	var/list/sorting = list()
-	sorting.len = DNA_STRUC_ENZYMES_BLOCKS
-	var/result
+	var/list/sorting = new /list(DNA_STRUC_ENZYMES_BLOCKS)
+	var/result = ""
 	for(var/datum/mutation/human/A in good_mutations + bad_mutations + not_good_mutations)
 		if(A.name == RACEMUT && istype(character,/mob/living/carbon/monkey))
 			sorting[A.dna_block] = num2hex(A.lowest_value + rand(0, 256 * 6), DNA_BLOCK_SIZE)