diff --git a/code/datums/components/forensics.dm b/code/datums/components/forensics.dm
index 55633a2087..e68a3317f0 100644
--- a/code/datums/components/forensics.dm
+++ b/code/datums/components/forensics.dm
@@ -1,4 +1,5 @@
 /datum/component/forensics
+	dupe_mode = COMPONENT_DUPE_UNIQUE
 	var/list/fingerprints		//assoc print = print
 	var/list/hiddenprints		//assoc ckey = realname/gloves/ckey
 	var/list/blood_DNA			//assoc dna = bloodtype