diff --git a/tfshark.c b/tfshark.c
index 04923f8800..2efaad0011 100644
--- a/tfshark.c
+++ b/tfshark.c
@@ -2146,7 +2146,7 @@ write_preamble(capture_file *cf)
     if (print_details)
       write_pdml_preamble(stdout, cf ? cf->filename : NULL);
     else
-      write_psml_preamble(stdout);
+      write_psml_preamble(cf, stdout);
     return !ferror(stdout);
 
   case WRITE_FIELDS: