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-rw-r--r--util-src/encodings.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/util-src/encodings.c b/util-src/encodings.c
index 5147512f..c573a330 100644
--- a/util-src/encodings.c
+++ b/util-src/encodings.c
@@ -174,7 +174,7 @@ static int Lidna_to_ascii(lua_State *L) /** idna.to_ascii(s) */
size_t len;
const char *s = luaL_checklstring(L, 1, &len);
char* output = NULL;
- int ret = idna_to_ascii_8z(s, &output, 0);
+ int ret = idna_to_ascii_8z(s, &output, IDNA_USE_STD3_ASCII_RULES);
if (ret == IDNA_SUCCESS) {
lua_pushstring(L, output);
idn_free(output);