diff --git a/Dockerfile b/Dockerfile
index f3c117a..9b6911a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -357,7 +357,7 @@ VOLUME ["/tmp/.X11-unix"]
 # If BaseSystem.img does not exist, download ${SHORTNAME}
 
 # shortname default is below
-ENV SHORTNAME=sequoia
+ENV SHORTNAME=tahoe
 
 ENV BASESYSTEM_IMAGE=BaseSystem.img