diff --git a/src/python/loxi/of13/meter_band.py b/src/python/loxi/of13/meter_band.py
index 18fc066..8efba54 100644
--- a/src/python/loxi/of13/meter_band.py
+++ b/src/python/loxi/of13/meter_band.py
@@ -51,7 +51,7 @@
         obj.type = reader.read("!H")[0]
         _len = reader.read("!H")[0]
         orig_reader = reader
-        reader = orig_reader.slice(_len - (2 + 2))
+        reader = orig_reader.slice(_len, 4)
         return obj
 
     def __eq__(self, other):
@@ -100,7 +100,7 @@
         assert(_type == 1)
         _len = reader.read("!H")[0]
         orig_reader = reader
-        reader = orig_reader.slice(_len - (2 + 2))
+        reader = orig_reader.slice(_len, 4)
         obj.rate = reader.read("!L")[0]
         obj.burst_size = reader.read("!L")[0]
         reader.skip(4)
@@ -164,7 +164,7 @@
         assert(_type == 2)
         _len = reader.read("!H")[0]
         orig_reader = reader
-        reader = orig_reader.slice(_len - (2 + 2))
+        reader = orig_reader.slice(_len, 4)
         obj.rate = reader.read("!L")[0]
         obj.burst_size = reader.read("!L")[0]
         obj.prec_level = reader.read("!B")[0]
@@ -232,7 +232,7 @@
         assert(_type == 65535)
         _len = reader.read("!H")[0]
         orig_reader = reader
-        reader = orig_reader.slice(_len - (2 + 2))
+        reader = orig_reader.slice(_len, 4)
         obj.rate = reader.read("!L")[0]
         obj.burst_size = reader.read("!L")[0]
         obj.experimenter = reader.read("!L")[0]