diff --git a/code/datums/mutations/actions.dm b/code/datums/mutations/actions.dm
index 6dec14bc36..130d475c28 100644
--- a/code/datums/mutations/actions.dm
+++ b/code/datums/mutations/actions.dm
@@ -490,7 +490,7 @@
 	var/mob/living/carbon/human/transferer = owner
 
 	to_chat(transfered, "<span class='warning'>You feel a tiny prick!</span>")
-	transferer.reagents.trans_to(transfered, transferer.reagents.total_volume, 1, 1, 0, transfered_by = transferer)
+	transferer.reagents.trans_to(transfered, transferer.reagents.total_volume, 1, 1, 0)
 
 	var/obj/item/bodypart/L = spikey.checkembedded()