diff --git a/tdeio/kssl/kopenssl.cc b/tdeio/kssl/kopenssl.cc
index 9c6d47ad4..0fa4e27b4 100644
--- a/tdeio/kssl/kopenssl.cc
+++ b/tdeio/kssl/kopenssl.cc
@@ -661,9 +661,9 @@ TDEConfig *cfg;
       if (x) {
         // OpenSSL >= 1.1
         if (_cryptoLib) {
-          ((int (*)(unsigned long, void*))x)(0, NULL);
+          ((int (*)(unsigned long long, void*))x)(0, NULL);
           x = GET_CRYPTOLIB_SYMBOL("OPENSSL_init_crypto");
-          if (x) ((int (*)(unsigned long, void*))x)(OPENSSL_INIT_ADD_ALL_CIPHERS
+          if (x) ((int (*)(unsigned long long, void*))x)(OPENSSL_INIT_ADD_ALL_CIPHERS
                                                     | OPENSSL_INIT_ADD_ALL_DIGESTS
                                                     | OPENSSL_INIT_LOAD_CONFIG,
                                                     NULL);