diff --git a/tox.ini b/tox.ini
index a4e6cc6..d233e69 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,7 @@
 # and then run "tox" from this directory.
 
 [tox]
-toxworkdir = {env:TMPDIR:/tmp}/tox-{env:USER}/authentic2-cut/
+toxworkdir = {env:TMPDIR:/tmp}/tox-{env:USER}/authentic2-cut/{env:BRANCH_NAME:}
 envlist = {coverage,nocoverage}-{dj18,dj111}-{pg,sqlite}
 
 [testenv]