diff --git a/lib/ssluse.c b/lib/ssluse.c
index 0a65dc32e..e17c329ff 100644
--- a/lib/ssluse.c
+++ b/lib/ssluse.c
@@ -333,11 +333,13 @@ int cert_stuff(struct connectdata *conn,
             failf(data, "no key set to load from crypto engine\n");
             return 0;
           }
-          priv_key = ENGINE_load_private_key(conn->data->engine,key_file,
+          /* the typecast below was added to please mingw32 */
+          priv_key = (EVP_PKEY *)
+            ENGINE_load_private_key(conn->data->engine,key_file,
 #ifdef HAVE_ENGINE_LOAD_FOUR_ARGS
-                                             ui_method,
+                                    ui_method,
 #endif
-                                             data->set.key_passwd);
+                                    data->set.key_passwd);
           if(!priv_key) {
             failf(data, "failed to load private key from crypto engine\n");
             return 0;