diff --git a/external/curl/lib/vtls/openssl.c b/external/curl/lib/vtls/openssl.c
index 9f9c8d136a..c48603fdb5 100644
--- a/external/curl/lib/vtls/openssl.c
+++ b/external/curl/lib/vtls/openssl.c
@@ -1704,6 +1704,9 @@ static int ossl_init(void)
     OPENSSL_INIT_NO_LOAD_CONFIG |
 #else
     OPENSSL_INIT_LOAD_CONFIG |
+#endif
+#ifdef OPENSSL_INIT_NO_ATEXIT
+    OPENSSL_INIT_NO_ATEXIT |
 #endif
     0;
   OPENSSL_init_ssl(flags, NULL);