diff --git a/c3l_membership/templates/index.html b/c3l_membership/templates/index.html
--- a/c3l_membership/templates/index.html
+++ b/c3l_membership/templates/index.html
@@ -141,8 +141,8 @@
                 </div>
                 <div class="pure-g">
                   <div class="pure-u-1-1">
-                    <b>{{ form.zip.label }}</b>
-                    {{ form.zip(class="pure-input-1 field-error" if form.zip.errors else "pure-input-1") }}
+                    <b>{{ form.postal.label }}</b>
+                    {{ form.postal(class="pure-input-1 field-error" if form.postal.errors else "pure-input-1") }}
                   </div>
                 </div>
                 <div class="pure-g">