diff --git a/src/main/kotlin/nl/sugcube/dirtyarrows/bow/ability/DisarmingBow.kt b/src/main/kotlin/nl/sugcube/dirtyarrows/bow/ability/DisarmingBow.kt
index df5ee27..774cadb 100644
--- a/src/main/kotlin/nl/sugcube/dirtyarrows/bow/ability/DisarmingBow.kt
+++ b/src/main/kotlin/nl/sugcube/dirtyarrows/bow/ability/DisarmingBow.kt
@@ -46,7 +46,7 @@ open class DisarmingBow(plugin: DirtyArrows) : BowAbility(
 
         // Chance to drop armour.
         val newArmour = target.equipment.armorContents.map { item ->
-            if (item.type != Material.AIR && Random.nextDouble() <= dropArmourChance) {
+            if (item != null && item.type != Material.AIR && Random.nextDouble() <= dropArmourChance) {
                 target.world.dropItem(target.location, item)
                 item.type = Material.AIR
             }