diff --git a/tox.ini b/tox.ini
index 3f0be7f97..699cdf50f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,7 +16,7 @@ setenv =
     mysql: AODH_TEST_DEPS=mysql
     postgresql: AODH_TEST_DEPS=postgresql
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   .[test,{env:AODH_TEST_DEPS}]
 passenv = OS_TEST_TIMEOUT OS_STDOUT_CAPTURE OS_STDERR_CAPTURE OS_LOG_CAPTURE AODH_TEST_DRIVERS
 commands =
@@ -41,7 +41,7 @@ commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasen
 
 [testenv:docs]
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   -r{toxinidir}/doc/requirements.txt
 commands = sphinx-build -W -b html doc/source doc/build/html
 setenv = PYTHONHASHSEED=0
@@ -63,14 +63,14 @@ commands = bash -x oslo_debug_helper {posargs}
 
 [testenv:debug-mysql]
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   .[mysql,test]
 setenv = OS_TEST_PATH=aodh/tests/functional/
 commands = pifpaf -g AODH_TEST_STORAGE_URL run mysql -- oslo_debug_helper {posargs}
 
 [testenv:debug-pgsql]
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   .[postgresql,test]
 setenv = OS_TEST_PATH=aodh/tests/functional/
 commands = pifpaf -g AODH_TEST_STORAGE_URL run postgresql -- oslo_debug_helper {posargs}