diff --git a/connector/src/main/java/org/geysermc/connector/network/translators/java/world/JavaMapDataTranslator.java b/connector/src/main/java/org/geysermc/connector/network/translators/java/world/JavaMapDataTranslator.java
index ccf3e209..d38b881d 100644
--- a/connector/src/main/java/org/geysermc/connector/network/translators/java/world/JavaMapDataTranslator.java
+++ b/connector/src/main/java/org/geysermc/connector/network/translators/java/world/JavaMapDataTranslator.java
@@ -40,7 +40,10 @@ public class JavaMapDataTranslator extends PacketTranslator<ServerMapDataPacket>
         ClientboundMapItemDataPacket mapItemDataPacket = new ClientboundMapItemDataPacket();
 
         mapItemDataPacket.setUniqueMapId(packet.getMapId());
-        mapItemDataPacket.setDimensionId(session.getLastDimPacket().getDimension());
+        if (session.getLastDimPacket() == null) {
+            System.out.println("Dimension is null");
+            mapItemDataPacket.setDimensionId(0);
+        } else mapItemDataPacket.setDimensionId(session.getLastDimPacket().getDimension());
         mapItemDataPacket.setLocked(packet.isLocked());
         mapItemDataPacket.setScale(packet.getScale());