diff --git a/wireshark_gen/__init__.py b/wireshark_gen/__init__.py
index 0ab5a95..c4ff7f4 100644
--- a/wireshark_gen/__init__.py
+++ b/wireshark_gen/__init__.py
@@ -43,6 +43,17 @@
                          ofclass_name[3:],
                          member_name)
 
+def get_reader(version, cls, m):
+    """
+    Decide on a reader function to use for the given field
+    """
+    ofproto = of_g.ir[version]
+    enum = ofproto.enum_by_name(m.oftype)
+    if enum and 'wire_type' in enum.params:
+        return "read_" + enum.params['wire_type']
+    else:
+        return "read_" + m.oftype.replace(')', '').replace('(', '_')
+
 def get_field_info(version, cls, name, oftype):
     """
     Decide on a Wireshark type and base for a given field.
diff --git a/wireshark_gen/templates/_ofclass_dissector.lua b/wireshark_gen/templates/_ofclass_dissector.lua
index f1c81b0..4aef886 100644
--- a/wireshark_gen/templates/_ofclass_dissector.lua
+++ b/wireshark_gen/templates/_ofclass_dissector.lua
@@ -26,7 +26,7 @@
 :: # under the EPL.
 ::
 :: from loxi_ir import *
-:: from wireshark_gen import make_field_name
+:: from wireshark_gen import make_field_name, get_reader
 :: attrs = []
 :: if ofclass.virtual: attrs.append("virtual")
 :: if ofclass.superclass: attrs.append("child")
@@ -45,7 +45,7 @@
 :: continue
 :: #endif
 :: field_name = make_field_name(version, ofclass.name, m.name)
-:: reader_name = "read_" + m.oftype.replace(')', '').replace('(', '_')
+:: reader_name = get_reader(version, ofclass, m)
     ${reader_name}(reader, ${version}, subtree, '${field_name}')
 :: #endfor
     return '${ofclass.name}'
diff --git a/wireshark_gen/templates/_oftype_readers.lua b/wireshark_gen/templates/_oftype_readers.lua
index 1db9f1f..5b255a5 100644
--- a/wireshark_gen/templates/_oftype_readers.lua
+++ b/wireshark_gen/templates/_oftype_readers.lua
@@ -97,10 +97,6 @@
     end
 end
 
-function read_ofp_flow_mod_flags(reader, version, subtree, field_name)
-    read_scalar(reader, subtree, field_name, 2)
-end
-
 function read_list_of_action_t(reader, version, subtree, field_name)
     if reader.is_empty() then
         return