diff --git a/paper-server/patches/sources/net/minecraft/server/level/ServerLevel.java.patch b/paper-server/patches/sources/net/minecraft/server/level/ServerLevel.java.patch
index b278b58c6..25f605cfb 100644
--- a/paper-server/patches/sources/net/minecraft/server/level/ServerLevel.java.patch
+++ b/paper-server/patches/sources/net/minecraft/server/level/ServerLevel.java.patch
@@ -941,7 +941,7 @@
 +        // Paper start - Call missing map initialize event and set id
 +        final DimensionDataStorage storage = this.getServer().overworld().getDataStorage();
 +
-+        final Optional<net.minecraft.world.level.saveddata.SavedData> cacheEntry = storage.cache.get(mapId.key());
++        final Optional<net.minecraft.world.level.saveddata.SavedData> cacheEntry = storage.cache.get(MapItemSavedData.type(mapId));
 +        if (cacheEntry == null) { // Cache did not contain, try to load and may init
 +            final MapItemSavedData mapData = storage.get(MapItemSavedData.type(mapId)); // get populates the cache
 +            if (mapData != null) { // map was read, init it and return