diff --git a/src/adv/Adv.lua b/src/adv/Adv.lua
index 5bb2014..7b30e3f 100644
--- a/src/adv/Adv.lua
+++ b/src/adv/Adv.lua
@@ -1814,8 +1814,12 @@ function Adv:enemyDead(enemy, escape)
 					if buff then
 						item = table.pack(buff:effect())
 					else
-						local dropData = csvdb["event_dropCsv"][monsterData.dropid]
-						item = dropData["range"]:randWeight(true)
+						if monsterData.dropid == 0 then
+							item = {0, 0}
+						else
+							local dropData = csvdb["event_dropCsv"][monsterData.dropid]
+							item = dropData["range"]:randWeight(true)
+						end
 					end
 					
 				end
--
libgit2 0.21.2