diff --git a/java_gen/java_type.py b/java_gen/java_type.py
index 05193b7..6188771 100644
--- a/java_gen/java_type.py
+++ b/java_gen/java_type.py
@@ -622,6 +622,7 @@
         'of_bsn_set_l2_table_reply': { 'l2_table_enable': boolean },
         'of_bsn_set_pktin_suppression_request': { 'enabled': boolean },
         'of_flow_stats_request': { 'out_group': of_group_default_any },
+        'of_aggregate_stats_request': { 'out_group': of_group_default_any },
 
         'of_action_bsn_mirror': { 'dest_port': of_port },
         'of_action_push_mpls': { 'ethertype': eth_type },