diff --git a/src/common/ossl_functions.h b/src/common/ossl_functions.h
index 438ec1faf..6b3056123 100644
--- a/src/common/ossl_functions.h
+++ b/src/common/ossl_functions.h
@@ -51,3 +51,4 @@ VOID_FUNC(void, OPENSSL_cleanse, (void *ptr, size_t len), (ptr, len))
 FUNC(int, RAND_bytes, (unsigned char *buf, int num), (buf, num))
 FUNC(int, RAND_poll, (void), ())
 FUNC(int, RAND_status, (void), ())
+FUNC(int, OPENSSL_init_crypto, (uint64_t opts, const OPENSSL_INIT_SETTINGS *settings), (opts, settings))