diff --git a/modules/rhizo_base/manifests/init.pp b/modules/rhizo_base/manifests/init.pp
index 966536d..ea1eec3 100644
--- a/modules/rhizo_base/manifests/init.pp
+++ b/modules/rhizo_base/manifests/init.pp
@@ -21,8 +21,6 @@ class rhizo_base {
   $notouchrepo     = hiera('rhizo::notouchrepo', 0)
   $use_ups         = hiera('rhizo::use_ups')
   $rhizomatica_dir = hiera('rhizo::rhizomatica_dir')
-  $hlr_db          = hiera('rhizo::hlr_db', '/var/lib/osmocom/hlr.db')
-  $sms_db          = hiera('rhizo::sms_db', '/var/lib/osmocom/sms.db')
   $use_sip         = hiera('rhizo::use_sip')
   $advice_email    = hiera('rhizo::advice_email')
   $charge_scheme   = hiera('rhizo::charge_scheme', 'normal')
@@ -41,6 +39,11 @@ class rhizo_base {
 
   # Network Stack
   $osmo_stack      = hiera('rhizo::osmo_stack', 'nitb')
+  $hlr_db          = hiera('rhizo::hlr_db', '/var/lib/osmocom/hlr.db')
+  $sms_db = $osmo_stack ? {
+             'split' => hiera('rhizo::sms_db', '/var/lib/osmocom/sms.db'),
+             default => hiera('rhizo::sms_db', '/var/lib/osmocom/hlr.sqlite3'),
+             }
 
   # network name
   $network_name    = hiera('rhizo::network_name')