diff --git a/modules/openstack/functions/os-info b/modules/openstack/functions/os-info
index 6803795..1813cb5 100644
--- a/modules/openstack/functions/os-info
+++ b/modules/openstack/functions/os-info
@@ -12,7 +12,7 @@ local tenant_formatted
 unset os_info
 typeset -gA os_info
 
-[[ -n "${OS_TENANT_NAME+1}" ]] && tenant="[${OS_TENANT_NAME}]"
+[[ -n "${OS_PROJECT_NAME+1}" ]] && tenant="[${OS_PROJECT_NAME}]"
 
 if [[ "$tenant" != (none|) ]]; then
   zstyle -s ':prezto:module:openstack:info:tenant' format 'tenant_format'