diff --git a/lib/tempest b/lib/tempest
index fcb0e59937..9b44f47d57 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -66,7 +66,7 @@ BUILD_TIMEOUT=${BUILD_TIMEOUT:-196}
 # This must be False on stable branches, as master tempest
 # deps do not match stable branch deps. Set this to True to
 # have tempest installed in devstack by default.
-INSTALL_TEMPEST=${INSTALL_TEMPEST:-"False"}
+INSTALL_TEMPEST=${INSTALL_TEMPEST:-"True"}
 
 
 BOTO_MATERIALS_PATH="$FILES/images/s3-materials/cirros-${CIRROS_VERSION}"