1 files changed, 4 insertions, 4 deletions
diff --git a/file.c b/file.c
index e63f1a0044..0d73433622 100644
--- a/file.c
+++ b/file.c
@@ -3996,9 +3996,9 @@ save_packet(capture_file *cf _U_, frame_data *fdata,
   hdr.presence_flags = 0;
   if (fdata->flags.has_ts)
     hdr.presence_flags |= WTAP_HAS_TS;
-  if (fdata->flags.has_if_id)
+  if (phdr->presence_flags & WTAP_HAS_INTERFACE_ID)
     hdr.presence_flags |= WTAP_HAS_INTERFACE_ID;
-  if (fdata->flags.has_pack_flags)
+  if (phdr->presence_flags & WTAP_HAS_PACK_FLAGS)
     hdr.presence_flags |= WTAP_HAS_PACK_FLAGS;
   hdr.ts.secs      = fdata->abs_ts.secs;
   hdr.ts.nsecs     = fdata->abs_ts.nsecs;
@@ -4006,9 +4006,9 @@ save_packet(capture_file *cf _U_, frame_data *fdata,
   hdr.len          = fdata->pkt_len;
   hdr.pkt_encap    = fdata->lnk_t;
   /* pcapng */
-  hdr.interface_id = fdata->interface_id;   /* identifier of the interface. */
+  hdr.interface_id = phdr->interface_id;   /* identifier of the interface. */
   /* options */
-  hdr.pack_flags   = fdata->pack_flags;
+  hdr.pack_flags   = phdr->pack_flags;
   hdr.opt_comment  = fdata->opt_comment; /* NULL if not available */
   /* pseudo */
   hdr.pseudo_header = phdr->pseudo_header;