diff --git a/vpp-api-test/vat/api_format.c b/vpp-api-test/vat/api_format.c
index 0a15ed7..12e8a95 100644
--- a/vpp-api-test/vat/api_format.c
+++ b/vpp-api-test/vat/api_format.c
@@ -4371,6 +4371,11 @@
   strncpy ((char *) mp->name_filter, "lo", sizeof (mp->name_filter) - 1);
   S;
 
+  /* and packet-generator interfaces */
+  M (SW_INTERFACE_DUMP, sw_interface_dump);
+  mp->name_filter_valid = 1;
+  strncpy ((char *) mp->name_filter, "pg", sizeof (mp->name_filter) - 1);
+  S;
 
   /* and vxlan-gpe tunnel interfaces */
   M (SW_INTERFACE_DUMP, sw_interface_dump);