diff --git a/src/util.c b/src/util.c
index e641905..7bef630 100644
--- a/src/util.c
+++ b/src/util.c
@@ -233,8 +233,6 @@ char *canonicalise(char *in, int *nomem)
     {
 #  ifdef HAVE_LIBIDN2
       rc = idn2_to_ascii_lz(in, &ret, IDN2_NONTRANSITIONAL);
-      if (rc == IDN2_DISALLOWED)
-	rc = idn2_to_ascii_lz(in, &ret, IDN2_TRANSITIONAL);
 #  else
       rc = idna_to_ascii_lz(in, &ret, 0);
 #  endif