diff --git a/tbsetup/plab/libplab.py.in b/tbsetup/plab/libplab.py.in
index afff382bc18b0bd9fab7c1f7a09eb9496367c8bd..d8bb5a1ac6517a4000b412dea0146562a1dc989f 100644
--- a/tbsetup/plab/libplab.py.in
+++ b/tbsetup/plab/libplab.py.in
@@ -50,7 +50,7 @@ HTTPD_PORT = "1492"
 HTTP_PATH = "/" # ensure this ends in a slash
 ROOTBALL_HTTP_URLPATH = HTTPD_SITE + HTTPD_PORT + HTTP_PATH
 
-DEF_ROOTBALL_NAME = "plabroot-1.tgz"
+DEF_ROOTBALL_NAME = "plabroot-2.tgz"
 
 verbose = 0
 debug = 0