diff --git a/app/main/views/dashboard.py b/app/main/views/dashboard.py
index 61a5c6daa..913676a1d 100644
--- a/app/main/views/dashboard.py
+++ b/app/main/views/dashboard.py
@@ -346,7 +346,7 @@ def get_annual_usage_breakdown(usage, free_sms_fragment_limit):
         'sms_free_allowance': sms_free_allowance,
         'sms_sent': sms_chargeable_units,
         'sms_allowance_remaining': max(0, (sms_free_allowance - sms_chargeable_units)),
-        'sms_chargeable': max(0, sms_chargeable_units - sms_free_allowance),
+        'sms_charged': max(0, sms_chargeable_units - sms_free_allowance),
         'sms_cost': sms_cost,
         'sms_rate': sms_rate,
         'letter_sent': letters_sent,
diff --git a/app/templates/views/usage.html b/app/templates/views/usage.html
index 9f0557a50..b062edfee 100644
--- a/app/templates/views/usage.html
+++ b/app/templates/views/usage.html
@@ -33,9 +33,9 @@
             {% if sms_free_allowance > 0 %}
               {{ big_number(sms_allowance_remaining, 'free allowance remaining', smaller=True) }}
             {% endif %}
-            {% if sms_chargeable %}
+            {% if sms_charged %}
               {{ big_number(
-                sms_chargeable,
+                sms_charged,
                 'at {:.2f} pence per message'.format(sms_rate * 100),
                 smaller=True
               ) }}