diff --git a/code/game/objects/effects/anomalies.dm b/code/game/objects/effects/anomalies.dm
index 04551aed6d6..df725476cd0 100644
--- a/code/game/objects/effects/anomalies.dm
+++ b/code/game/objects/effects/anomalies.dm
@@ -285,7 +285,7 @@
 /obj/effect/anomaly/pyro/anomalyEffect()
 	..()
 	ticks++
-	for(var/mob/living/M in range(4, src))
+	for(var/mob/living/M in hearers(4, src))
 		if(prob(50))
 			M.adjust_fire_stacks(4)
 			M.IgniteMob()