diff --git a/app/main/views/dashboard.py b/app/main/views/dashboard.py
index 9091a2036..45736ac1e 100644
--- a/app/main/views/dashboard.py
+++ b/app/main/views/dashboard.py
@@ -190,7 +190,7 @@ def get_dashboard_partials(service_id):
             **calculate_free_tier_usage(service_api_client.get_yearly_sms_unit_count_and_cost(
                 service_id,
                 get_current_financial_year(),
-            ))
+            ), service)
         ),
     }
 
@@ -202,9 +202,8 @@ def get_dashboard_totals(statistics):
     return statistics
 
 
-def calculate_free_tier_usage(usage):
-    sms_free_allowance = current_app.config['SMS_FREE_TIER_AMOUNT']
-
+def calculate_free_tier_usage(usage, service):
+    sms_free_allowance = service['data']['free_sms_fragment_limit']
     return({
         'sms_chargeable': max(0, usage['billable_sms_units'] - sms_free_allowance),
         'total_sms_bill': usage['billable_sms_units'],
diff --git a/tests/conftest.py b/tests/conftest.py
index 29a1969f8..2aa63a34b 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -92,6 +92,7 @@ def mock_get_detailed_service(mocker, api_user_active):
         return {
             'data': {
                 'id': service_id,
+                'free_sms_fragment_limit': 250000,
                 'statistics': {
                     'email': {'requested': 0, 'delivered': 0, 'failed': 0},
                     'sms': {'requested': 0, 'delivered': 0, 'failed': 0}
@@ -109,6 +110,7 @@ def mock_get_detailed_service_for_today(mocker, api_user_active):
         return {
             'data': {
                 'id': service_id,
+                'free_sms_fragment_limit': 250000,
                 'statistics': {
                     'email': {'requested': 0, 'delivered': 0, 'failed': 0},
                     'sms': {'requested': 0, 'delivered': 0, 'failed': 0}