diff --git a/app/app_procs.c b/app/app_procs.c
index d998160..d1ed486 100644
--- a/app/app_procs.c
+++ b/app/app_procs.c
@@ -692,7 +692,7 @@ app_init (int argc, char **argv)
      /* Translators:  The argument is a list of options, not to be translated */
     g_strdup_printf(_("Select the filter/format out of: %s"),
 		    "cgm, dia, dxf, eps, eps-builtin, " EPS_PANGO
-		    "fig, mp, plt, hpgl, png ("
+		    "fig, mp, plt, hpgl, pdf, png ("
 #  if defined(HAVE_LIBPNG) && defined(HAVE_LIBART)
 		    "png-libart, "
 #  endif
