diff --git a/code/game/objects/items/devices/scanners.dm b/code/game/objects/items/devices/scanners.dm
index bd080fe3e7..7fc05eb3f7 100644
--- a/code/game/objects/items/devices/scanners.dm
+++ b/code/game/objects/items/devices/scanners.dm
@@ -408,7 +408,7 @@ SLIME SCANNER
 	if(M.has_dna())
 		var/mob/living/carbon/C = M
 		var/blood_typepath = C.get_blood_id()
-		if(blood_id)
+		if(blood_typepath)
 			if(ishuman(C))
 				if(H.bleed_rate)
 					msg += "<span class='danger'>Subject is bleeding!</span>\n"
diff --git a/code/game/objects/items/stacks/stack.dm b/code/game/objects/items/stacks/stack.dm
index 1d038b008c..36c4992e8f 100644
--- a/code/game/objects/items/stacks/stack.dm
+++ b/code/game/objects/items/stacks/stack.dm
@@ -406,7 +406,7 @@
 	if(from.fingerprintshidden)
 		fingerprintshidden = from.fingerprintshidden.Copy()
 	if(from.fingerprintslast)
-		fingerprintslast = from.fingerprintslast.Copy()
+		fingerprintslast = from.fingerprintslast
 
 /obj/item/stack/microwave_act(obj/machinery/microwave/M)
 	if(istype(M) && M.dirty < 100)