diff --git a/code/modules/events/wallrot.dm b/code/modules/events/wallrot.dm
index bcba8bce4af..eb9c7520c26 100644
--- a/code/modules/events/wallrot.dm
+++ b/code/modules/events/wallrot.dm
@@ -43,7 +43,7 @@
 /datum/event/wallrot/fungus
 	name = "Fungal Growth"
 	role_weights = list(ASSIGNMENT_CHEMIST = 5)
-	role_weights = list(ASSIGNMENT_CHEMIST = 0)
+	role_requirements = list(ASSIGNMENT_CHEMIST = 0)
 
 /datum/event/wallrot/fungus/is_valid_candidate(turf/T)
 	return istype(get_area(T), /area/station/maintenance)