diff --git a/Dockerfile b/Dockerfile
index 68974fd..a2d63b8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,6 +13,8 @@ VOLUME ["/usr/workdir"]
 ENV USERNAME scott
 ENV NET_SERVICE_NAME XE
 ENV EDITOR=vi
+ENV NLS_LANG SPANISH_SPAIN.WE8MSWIN1252
+ENV ORA_SDTZ Europe/Madrid
 
 WORKDIR "/usr/workdir"