diff --git a/code/datums/diseases/advance/symptoms/nanites.dm b/code/datums/diseases/advance/symptoms/nanites.dm
index f288b24068..b18e089a41 100644
--- a/code/datums/diseases/advance/symptoms/nanites.dm
+++ b/code/datums/diseases/advance/symptoms/nanites.dm
@@ -25,7 +25,7 @@
 	if(!..())
 		return
 	var/mob/living/carbon/M = A.affected_mob
-	SEND_SIGNAL(M, COMSIG_NANITE_ADJUST_VOLUME, src, power)
+	SEND_SIGNAL(M, COMSIG_NANITE_ADJUST_VOLUME, power)
 	if(reverse_boost && SEND_SIGNAL(M, COMSIG_HAS_NANITES))
 		if(prob(A.stage_prob))
 			A.stage = min(A.stage + 1,A.max_stages)