diff --git a/app/main/views/platform_admin.py b/app/main/views/platform_admin.py
index f1b007a72..db5ec765f 100644
--- a/app/main/views/platform_admin.py
+++ b/app/main/views/platform_admin.py
@@ -279,8 +279,8 @@ def get_billing_report():
         end_date = form.end_date.data
         headers = [
             "organisation_id", "organisation_name", "service_id", "service_name",
-            "sms_cost", "sms_fragments", "total_letters", "letter_cost", "letter_breakdown", "purchase_order_number",
-            "contact_names", "contact_email_addresses", "billing_reference"
+            "sms_cost", "sms_chargeable_units", "total_letters", "letter_cost", "letter_breakdown",
+            "purchase_order_number", "contact_names", "contact_email_addresses", "billing_reference"
         ]
         try:
             result = billing_api_client.get_data_for_billing_report(start_date, end_date)
@@ -294,7 +294,7 @@ def get_billing_report():
         rows = [
             [
                 r["organisation_id"], r["organisation_name"], r["service_id"], r["service_name"],
-                r["sms_cost"], r["sms_fragments"], r["total_letters"], r["letter_cost"], r["letter_breakdown"].strip(),
+                r["sms_cost"], r["sms_chargeable_units"], r["total_letters"], r["letter_cost"], r["letter_breakdown"].strip(),
                 r.get("purchase_order_number"), r.get("contact_names"), r.get("contact_email_addresses"),
                 r.get("billing_reference")
             ]
diff --git a/tests/app/main/views/test_platform_admin.py b/tests/app/main/views/test_platform_admin.py
index b5674f2fc..4c19466e5 100644
--- a/tests/app/main/views/test_platform_admin.py
+++ b/tests/app/main/views/test_platform_admin.py
@@ -935,7 +935,7 @@ def test_get_billing_report_when_calls_api_and_download_data(
             'service_id': '48e82ac0-c8c4-4e46-8712-c83c35a94006',
             'service_name': 'a - with sms and letter',
             'sms_cost': 0,
-            'sms_fragments': 0,
+            'sms_chargeable_units': 0,
             'purchase_order_number': 'PO1234',
             'contact_names': 'Anne, Marie, Josh',
             'contact_email_addresses': 'billing@example.com, accounts@example.com',
@@ -956,10 +956,10 @@ def test_get_billing_report_when_calls_api_and_download_data(
     )
 
     assert response.get_data(as_text=True) == (
-        'organisation_id,organisation_name,service_id,service_name,sms_cost,sms_fragments,total_letters,letter_cost' +
-        ',letter_breakdown,purchase_order_number,contact_names,contact_email_addresses,billing_reference' +
+        'organisation_id,organisation_name,service_id,service_name,sms_cost,sms_chargeable_units' +
+        ',total_letters,letter_cost,letter_breakdown,purchase_order_number,contact_names,contact_email_addresses' +
 
-        '\r\n' +
+        ',billing_reference\r\n' +
 
         '7832a1be-a1f0-4f2a-982f-05adfd3d6354,' +
         'Org for a - with sms and letter,' +