diff --git a/crypto/OpenSSL.m b/crypto/OpenSSL.m
index f438d80..611061a 100644
--- a/crypto/OpenSSL.m
+++ b/crypto/OpenSSL.m
@@ -41,6 +41,7 @@ static SSL_CTX *ctx;
 @implementation OpenSSL
 + (BOOL)initializeSSL:(NSError **)error {
     if (!initialized) {
+        SSL_library_init();
         OpenSSL_add_all_algorithms();
         SSL_load_error_strings();
         ERR_load_crypto_strings();