diff --git a/src/mod_netconf.c b/src/mod_netconf.c
index e8fa4bd..eb05259 100644
--- a/src/mod_netconf.c
+++ b/src/mod_netconf.c
@@ -925,7 +925,7 @@
 }
 
 /**
- * Receive message from client and return pointer to it.
+ * Receive message from client over UNIX socket and return pointer to it.
  * Caller should free message memory.
  * \param[in] client	socket descriptor of client
  * \param[in] server	httpd server for logging
@@ -1535,7 +1535,7 @@
 
 			ap_log_error (APLOG_MARK, APLOG_DEBUG, 0, server, "Send NC subscribe.");
 			/** \todo replace with sth like netconf_op(http_server, session_hash, rpc) */
-			if (netconf_process_op(server, temp_session, rpc) != 0) {
+			if (netconf_process_op(server, temp_session, rpc) != EXIT_SUCCESS) {
 				ap_log_error (APLOG_MARK, APLOG_DEBUG, 0, server, "Subscription RPC failed.");
 				return create_error("Subscription RPC failed.");
 			}