diff --git a/code/game/gamemodes/dynamic/dynamic.dm b/code/game/gamemodes/dynamic/dynamic.dm
index cd5c9dd6a9..d548f373db 100644
--- a/code/game/gamemodes/dynamic/dynamic.dm
+++ b/code/game/gamemodes/dynamic/dynamic.dm
@@ -725,7 +725,7 @@ GLOBAL_VAR_INIT(dynamic_storyteller_type, /datum/dynamic_storyteller/classic)
 	threat = storyteller.calculate_threat() + added_threat
 	if(threat_average_weight)
 		var/cur_sample_weight = world.time - last_threat_sample_time
-		threat_average = ((threat_average * threat_average_weight) + threat) / (threat_average_weight + cur_sample_weight)
+		threat_average = ((threat_average * threat_average_weight) + (threat * cur_sample_weight)) / (threat_average_weight + cur_sample_weight)
 		threat_average_weight += cur_sample_weight
 		last_threat_sample_time  = world.time
 	else