diff --git a/src/openvpn/ssl_openssl.c b/src/openvpn/ssl_openssl.c
index 34c31b9..d6d9acf 100644
--- a/src/openvpn/ssl_openssl.c
+++ b/src/openvpn/ssl_openssl.c
@@ -1144,7 +1144,7 @@ err:
     {
         if (rsa_meth)
         {
-            free(rsa_meth);
+            RSA_meth_free(rsa_meth);
         }
     }
     crypto_msg(M_FATAL, "Cannot enable SSL external private key capability");