diff --git a/lib/tempest b/lib/tempest
index eeeef67..b8f9915 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -197,6 +197,8 @@
         pip_install_gr testrepository
     fi
 
+    local ENABLED_SERVICES=${SERVICES_FOR_TEMPEST:=$ENABLED_SERVICES}
+
     local image_lines
     local images
     local num_images