diff --git a/code/game/objects/items/weapons/dna_injector.dm b/code/game/objects/items/weapons/dna_injector.dm
index f0fd4947f2..ecc8d3a362 100644
--- a/code/game/objects/items/weapons/dna_injector.dm
+++ b/code/game/objects/items/weapons/dna_injector.dm
@@ -51,6 +51,7 @@
 				M.updateappearance(mutations_overlay_update=1)
 		log_attack(log_msg)
 		return TRUE
+	return FALSE
 
 /obj/item/weapon/dnainjector/attack(mob/target, mob/user)
 	if(!user.IsAdvancedToolUser())
@@ -307,11 +308,11 @@
 
 /obj/item/weapon/dnainjector/timed/inject(mob/living/carbon/M, mob/user)
 	prepare()
+	if(M.stat == DEAD)	//prevents dead people from having their DNA changed
+		to_chat(user, "<span class='notice'>You can't modify [M]'s DNA while [M.p_theyre()] dead.</span>")
+		return FALSE
 
 	if(M.has_dna() && !(M.disabilities & NOCLONE))
-		if(M.stat == DEAD)	//prevents dead people from having their DNA changed
-			to_chat(user, "<span class='notice'>You can't modify [M]'s DNA while [M.p_theyre()] dead.</span>")
-			return
 		M.radiation += rand(20/(damage_coeff  ** 2),50/(damage_coeff  ** 2))
 		var/log_msg = "[key_name(user)] injected [key_name(M)] with the [name]"
 		var/endtime = world.time+duration
@@ -352,9 +353,9 @@
 				M.updateappearance(mutations_overlay_update=1)
 				M.dna.temporary_mutations[UI_CHANGED] = endtime
 		log_attack(log_msg)
+		return TRUE
 	else
-		to_chat(user, "<span class='notice'>It appears that [M] does not have compatible DNA.</span>")
-		return
+		return FALSE
 
 /obj/item/weapon/dnainjector/timed/hulk
 	name = "\improper DNA injector (Hulk)"