diff --git a/src/tools/vppapigen/vppapigen_json.py b/src/tools/vppapigen/vppapigen_json.py
index 93ec21f..5fa839f 100644
--- a/src/tools/vppapigen/vppapigen_json.py
+++ b/src/tools/vppapigen/vppapigen_json.py
@@ -77,6 +77,7 @@
         if is_message and t.crc:
             c = {}
             c['crc'] = "{0:#0{1}x}".format(t.crc, 10)
+            c['options'] = t.options
             d.append(c)
 
         r.append(d)