diff --git a/apps/crl2p7.c b/apps/crl2p7.c
index 930875ac84e4b306211a38f8112f920bbdda3192..74bb8939003924b2656ef604154c402005265e59 100644
--- a/apps/crl2p7.c
+++ b/apps/crl2p7.c
@@ -138,7 +138,7 @@ int crl2pkcs7_main(int argc, char **argv)
             if ((certflst == NULL)
                 && (certflst = sk_OPENSSL_STRING_new_null()) == NULL)
                 goto end;
-            if (!sk_OPENSSL_STRING_push(certflst, *(++argv))) {
+            if (!sk_OPENSSL_STRING_push(certflst, opt_arg())) {
                 sk_OPENSSL_STRING_free(certflst);
                 goto end;
             }