diff --git a/arclight-common/src/main/resources/arclight.accesswidener b/arclight-common/src/main/resources/arclight.accesswidener
index 420329db..0c607dd4 100644
--- a/arclight-common/src/main/resources/arclight.accesswidener
+++ b/arclight-common/src/main/resources/arclight.accesswidener
@@ -1,5 +1,6 @@
 accessWidener v2 named
 # Arclight 1.21.1
+accessible method net/minecraft/network/syncher/SynchedEntityData getItem (Lnet/minecraft/network/syncher/EntityDataAccessor;)Lnet/minecraft/network/syncher/SynchedEntityData$DataItem;
 mutable field net/minecraft/world/level/block/entity/trialspawner/TrialSpawner targetCooldownLength I
 mutable field net/minecraft/world/level/block/entity/trialspawner/TrialSpawner normalConfig Lnet/minecraft/world/level/block/entity/trialspawner/TrialSpawnerConfig;
 mutable field net/minecraft/world/level/block/entity/trialspawner/TrialSpawner requiredPlayerRange I