diff --git a/code/defines/procs/gamehelpers.dm b/code/defines/procs/gamehelpers.dm
index 8e0c9940277..4f043aaa959 100644
--- a/code/defines/procs/gamehelpers.dm
+++ b/code/defines/procs/gamehelpers.dm
@@ -192,4 +192,13 @@
 proc/check_can_reach(atom/user, atom/target)
 	if(!in_range(user,target))
 		return 0
-	return CanReachThrough(get_turf(user), get_turf(target), target)
\ No newline at end of file
+	return CanReachThrough(get_turf(user), get_turf(target), target)
+
+//cael - not sure if there's an equivalent proc, but if there is i couldn't find it
+//searches to see if M contains O somewhere
+proc/is_carrying(var/M as mob, var/O as obj)
+	while(!istype(O,/area))
+		if(O:loc == M)
+			return 1
+		O = O:loc
+	return 0
\ No newline at end of file
diff --git a/code/game/mecha/mecha.dm b/code/game/mecha/mecha.dm
index 3db104bc119..365ddd21e78 100644
--- a/code/game/mecha/mecha.dm
+++ b/code/game/mecha/mecha.dm
@@ -198,7 +198,7 @@
 				return
 		var/obj/mecha/Mech = M.loc
 		spawn() //this helps prevent clickspam fest.
-			if (Mech)
+			if (Mech && !(is_carrying(M,object))  )  //cael - make sure you cant drill shit in your invent
 				Mech.click_action(object,M)
 	else
 		return ..()
diff --git a/code/game/objects/devices/scanners.dm b/code/game/objects/devices/scanners.dm
index 4cd9c6a796c..085910a4517 100644
--- a/code/game/objects/devices/scanners.dm
+++ b/code/game/objects/devices/scanners.dm
@@ -117,7 +117,7 @@ MASS SPECTROMETER
 				src.amount--
 				var/obj/item/weapon/f_card/F = new /obj/item/weapon/f_card( user.loc )
 				F.amount = 1
-				F.fingerprints += md5(M.dna.uni_identity)
+				F.add_fingerprint(M)
 				F.icon_state = "fingerprint1"
 				F.name = text("FPrintC- '[M.name]'")