diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoskills/effects/effects/EffectSpelunking.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoskills/effects/effects/EffectSpelunking.kt
index 344f9f8..79f8f98 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoskills/effects/effects/EffectSpelunking.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoskills/effects/effects/EffectSpelunking.kt
@@ -78,9 +78,11 @@ class EffectSpelunking : Effect(
         val dropEvent = BlockDropItemEvent(block, block.state, player, event.items.map { item ->
             val stack = item.itemStack
             stack.amount = stack.amount * amount
-            if (stack.type == Material.AIR) return@map null
+            if (stack.type == Material.AIR || stack.amount <= 0) {
+                return@map null
+            }
             item.itemStack = stack
-            if(stack.type == Material.AIR) null else item
+            item
         }.filter { Objects.nonNull(it) }.toMutableList())
         noRepeat.add(dropEvent)