diff --git a/pyd3tn/pyd3tn/bundle7.py b/pyd3tn/pyd3tn/bundle7.py
index 97aeb74..2089183 100644
--- a/pyd3tn/pyd3tn/bundle7.py
+++ b/pyd3tn/pyd3tn/bundle7.py
@@ -80,7 +80,7 @@ class BlockProcFlag(IntFlag):
 
 class RecordType(IntEnum):
     BUNDLE_STATUS_REPORT = 1
-    BIBE_PROTOCOL_DATA_UNIT = 3
+    BIBE_PROTOCOL_DATA_UNIT = 64443
     BIBE_PROTOCOL_DATA_UNIT_COMPAT = 7