diff --git a/src/tool_cfgable.h b/src/tool_cfgable.h
index d8347de84b..0ed81ed6ee 100644
--- a/src/tool_cfgable.h
+++ b/src/tool_cfgable.h
@@ -216,7 +216,7 @@ struct OperationConfig {
   bool ftp_ssl_ccc;
   int ftp_ssl_ccc_mode;
   char *preproxy;
-  int socks5_gssapi_nec;    /* The NEC reference server does not protect the
+  bool socks5_gssapi_nec;   /* The NEC reference server does not protect the
                                encryption type exchange */
   unsigned long socks5_auth;/* auth bitmask for socks5 proxies */
   char *proxy_service_name; /* set authentication service name for HTTP and