diff --git a/tests/libtest/lib678.c b/tests/libtest/lib678.c
index 2461769f8f..cad7b9843e 100644
--- a/tests/libtest/lib678.c
+++ b/tests/libtest/lib678.c
@@ -80,8 +80,7 @@ static CURLcode test_cert_blob(const char *url, const char *cafile)
     curl_easy_setopt(curl, CURLOPT_HEADER, 1L);
     curl_easy_setopt(curl, CURLOPT_URL, url);
     curl_easy_setopt(curl, CURLOPT_USERAGENT, "CURLOPT_CAINFO_BLOB");
-    curl_easy_setopt(curl, CURLOPT_SSL_OPTIONS,
-                     (long)CURLSSLOPT_REVOKE_BEST_EFFORT);
+    curl_easy_setopt(curl, CURLOPT_SSL_OPTIONS, CURLSSLOPT_REVOKE_BEST_EFFORT);
 
     blob.data = certdata;
     blob.len = certsize;