1 files changed, 1 insertions, 1 deletions
diff --git a/cfile.c b/cfile.c
index a689b2e11c..d12a699a9d 100644
--- a/cfile.c
+++ b/cfile.c
@@ -36,7 +36,7 @@ cap_file_get_interface_name(void *data, guint32 interface_id)
   wtapng_iface_descriptions_t *idb_info;
   const wtapng_if_descr_t *wtapng_if_descr = NULL;
 
-  idb_info = wtap_file_get_idb_info(cf->wth);
+  idb_info = wtap_file_get_idb_info(cf->wfth);
 
   if (interface_id < idb_info->number_of_interfaces)
     wtapng_if_descr = &g_array_index(idb_info->interface_data, wtapng_if_descr_t, interface_id);