1 files changed, 4 insertions, 2 deletions
diff --git a/apps/x509.c b/apps/x509.c
index 28fa769a01..188bc17a09 100644
--- a/apps/x509.c
+++ b/apps/x509.c
@@ -594,13 +594,15 @@ int x509_main(int argc, char **argv)
     }
 
     /* No extra arguments. */
-    argc = opt_num_rest();
-    if (argc != 0)
+    if (!opt_check_rest_arg(NULL))
         goto opthelp;
 
     if (!app_RAND_load())
         goto end;
 
+    if (!opt_check_md(digest))
+        goto opthelp;
+
     if (preserve_dates && days != UNSET_DAYS) {
         BIO_printf(bio_err, "Cannot use -preserve_dates with -days option\n");
         goto err;