diff --git a/pinaxcon/templates/registrasion/_invoice_details.html b/pinaxcon/templates/registrasion/_invoice_details.html
index 6f3bb2a3bae1a68c6628f49baf8b24fb356a0b42..d19b304511fae16b5f390240edd71c6424b0f5d2 100644
--- a/pinaxcon/templates/registrasion/_invoice_details.html
+++ b/pinaxcon/templates/registrasion/_invoice_details.html
@@ -46,10 +46,12 @@
 
     <tr><th colspan="4"></th></tr>
 
-    <tr>
-      <th colspan="3">Includes 10% Australian Goods and Services Tax</th>
-      <td class="text-right">${{ invoice.value|gst}}</td>
-    </tr>
+    {% if invoice.value|gst %}
+      <tr>
+        <th colspan="3">Includes 10% Australian Goods and Services Tax</th>
+        <td class="text-right">${{ invoice.value|gst}}</td>
+      </tr>
+    {% endif %}
 
     <tr>
       <th colspan="3">Total</th>