diff --git a/crypt-gpgme.c b/crypt-gpgme.c
index 8cbe7ff..e5d1938 100644
--- a/crypt-gpgme.c
+++ b/crypt-gpgme.c
@@ -921,7 +921,9 @@ static BODY *sign_message (BODY *a, int use_smime)
       t->use_disp = 0;
       t->disposition = DISPNONE;
       t->encoding = ENC7BIT;
-    }
+	  mutt_set_parameter ("name", PgpMimeSignatureFilename, &t->parameter);
+	  t->description = safe_strdup (PgpMimeSignatureDescription);
+     }
   t->filename = sigfile;
   t->unlink = 1; /* ok to remove this file after sending. */