diff --git a/run_tests.sh b/run_tests.sh
index acd9497741..970da51f42 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -107,12 +107,13 @@ function run_tests {
 }
 
 function run_tests_nose {
-    NOSE_WITH_OPENSTACK=1
-    NOSE_OPENSTACK_COLOR=1
-    NOSE_OPENSTACK_RED=15.00
-    NOSE_OPENSTACK_YELLOW=3.00
-    NOSE_OPENSTACK_SHOW_ELAPSED=1
-    NOSE_OPENSTACK_STDOUT=1
+    export NOSE_WITH_OPENSTACK=1
+    export NOSE_OPENSTACK_COLOR=1
+    export NOSE_OPENSTACK_RED=15.00
+    export NOSE_OPENSTACK_YELLOW=3.00
+    export NOSE_OPENSTACK_SHOW_ELAPSED=1
+    export NOSE_OPENSTACK_STDOUT=1
+    export TEMPEST_PY26_NOSE_COMPAT=1
     if [[ "x$noseargs" =~ "tempest" ]]; then
         noseargs="$testrargs"
     else
diff --git a/tox.ini b/tox.ini
index abc9e42235..ff09b3fd67 100644
--- a/tox.ini
+++ b/tox.ini
@@ -51,6 +51,7 @@ setenv = VIRTUAL_ENV={envdir}
          NOSE_OPENSTACK_YELLOW=3
          NOSE_OPENSTACK_SHOW_ELAPSED=1
          NOSE_OPENSTACK_STDOUT=1
+         TEMPEST_PY26_NOSE_COMPAT=1
 commands =
   nosetests --logging-format '%(asctime)-15s %(message)s' --with-xunit -sv --xunit-file=nosetests-full.xml tempest/api tempest/scenario tempest/thirdparty tempest/cli tempest/tests {posargs}
 
@@ -62,6 +63,7 @@ NOSE_WITH_OPENSTACK=1
          NOSE_OPENSTACK_YELLOW=3
          NOSE_OPENSTACK_SHOW_ELAPSED=1
          NOSE_OPENSTACK_STDOUT=1
+         TEMPEST_PY26_NOSE_COMPAT=1
 commands =
   nosetests --logging-format '%(asctime)-15s %(message)s' --with-xunit -sv --attr=type=smoke --xunit-file=nosetests-smoke.xml tempest {posargs}