1 files changed, 1 insertions, 1 deletions

diff --git a/openssl.c b/openssl.c
index 4ab0688..2dd5844 100644
--- a/openssl.c
+++ b/openssl.c
@@ -1642,7 +1642,7 @@ error:
 static int xc_digest(lua_State *L) {
         X509 *crt = checksimple(L, 1, X509_CERT_CLASS);
         const char *type = luaL_optstring(L, 2, "sha1");
-        int format = luaL_checkoption(L, 3, "*s", (const char *[]){ "*s", "*x", "*n", NULL });
+        int format = luaL_checkoption(L, 3, "x", (const char *[]){ "s", "x", "n", NULL });
         const EVP_MD *ctx;
         unsigned char md[EVP_MAX_MD_SIZE];
         unsigned len;