diff --git a/src/python/loxi/of13/oxm.py b/src/python/loxi/of13/oxm.py
index 282e42f..7904ee2 100755
--- a/src/python/loxi/of13/oxm.py
+++ b/src/python/loxi/of13/oxm.py
@@ -6198,7 +6198,7 @@
 oxm.subtypes[0xffff0007] = exp1ByteValue
 
 class exp2ByteValue(oxm):
-    type_len = 0xffff0008
+    type_len = 0xffff0006
 
     def __init__(self, exp_type=0, value=None):
         if value != None:
@@ -6210,9 +6210,9 @@
 
     def pack(self):
         packed = []
-        packed.append(struct.pack("!L", self.type_len))
+        packed.append(struct.pack("!L", self.type_len | (self.exp_type <<9)))
         packed.append(struct.pack("!L", OFDPA_EXPERIMETER))
-        packed.append(struct.pack("!H", self.exp_type))
+        #packed.append(struct.pack("!H", self.exp_type))
         packed.append(struct.pack("!H", self.value))        
         return ''.join(packed)
 
@@ -6292,4 +6292,4 @@
             q.breakable()
         q.text('}')
 
-oxm.subtypes[0xffff000a] = exp4ByteValue
\ No newline at end of file
+oxm.subtypes[0xffff000a] = exp4ByteValue