--- a/crypto.c
+++ b/crypto.c
@@ -14,6 +14,12 @@
 #include <openssl/pem.h>
 #include <openssl/ssl.h>
 
+#ifndef OPENSSL_VERSION
+#define OPENSSL_VERSION		SSLEAY_VERSION
+#define OpenSSL_version(x)	SSLeay_version(x)
+#define OpenSSL_version_num	SSLeay
+#endif
+
 /*
 
 This checks data in a struct string against a signature in a second
@@ -250,14 +256,18 @@ bail_out:
 void
 crypto_init(void)
 {
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
     /* Just load the crypto library error strings, not SSL */
     ERR_load_crypto_strings();
+#endif
 }
 
 void
 crypto_finish(void)
 {
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
     ERR_free_strings();
+#endif
 }
 
 void
@@ -268,10 +278,10 @@ crypto_warn_openssl_version_changed(void
      * OpenSSL library used.
      * Output a warning if not.
      */
-    if (SSLeay() != OPENSSL_VERSION_NUMBER) {
+    if (OpenSSL_version_num() != OPENSSL_VERSION_NUMBER) {
         log_info("Note: compiled using OpenSSL version '%s' headers, but linked to "
           "OpenSSL version '%s' library",
           OPENSSL_VERSION_TEXT,
-          SSLeay_version(SSLEAY_VERSION));
+          OpenSSL_version(OPENSSL_VERSION));
     }
 }