diff --git a/python/nav/web/templates/useradmin/account_detail.html b/python/nav/web/templates/useradmin/account_detail.html
index 718efaa2e4..d22fdcd8f1 100644
--- a/python/nav/web/templates/useradmin/account_detail.html
+++ b/python/nav/web/templates/useradmin/account_detail.html
@@ -63,7 +63,7 @@ <h4>
       {% comment %} ACCOUNT FORM {% endcomment %}
       {% if account_form %}
         <div class="column medium-6 large-3">
-          {% crispy account_form %}
+          {% include 'custom_crispy_templates/flat_form.html' with form=account_form %}
         </div>
       {% endif %}
 
diff --git a/python/nav/web/useradmin/forms.py b/python/nav/web/useradmin/forms.py
index 225ac3aa70..854ec4ec00 100644
--- a/python/nav/web/useradmin/forms.py
+++ b/python/nav/web/useradmin/forms.py
@@ -29,10 +29,10 @@
     Row,
     Column,
     Field,
-    HTML,
 )
 from nav.web.crispyforms import (
     set_flat_form_attributes,
+    FlatFieldset,
     FormColumn,
     FormRow,
     SubmitField,
@@ -90,31 +90,33 @@ class AccountForm(forms.ModelForm):
     def __init__(self, *args, **kwargs):
         super(AccountForm, self).__init__(*args, **kwargs)
         account = kwargs.get('instance', False)
-        self.helper = FormHelper()
-        self.helper.form_action = ''
-        self.helper.form_method = 'POST'
 
         if account:
             self.fields['password1'].required = False
-            submit_value = 'Save changes'
 
             if kwargs["instance"].id == Account.DEFAULT_ACCOUNT:
                 # We don't want to enable significant changes to the anonymous account
                 self.fields["password1"].widget.attrs["readonly"] = True
                 self.fields["password2"].widget.attrs["readonly"] = True
                 self.fields["login"].widget.attrs["readonly"] = True
-        else:
-            submit_value = 'Create account'
 
-        self.helper.layout = Layout(
-            Fieldset(
-                'Account',
-                'login',
-                'name',
-                'password1',
-                'password2',
-                Submit('submit_account', submit_value, css_class='small'),
-            )
+        submit_value = "Save changes" if account else "Create account"
+
+        self.attrs = set_flat_form_attributes(
+            form_fields=[
+                FlatFieldset(
+                    legend="Account",
+                    fields=[
+                        self["login"],
+                        self["name"],
+                        self["password1"],
+                        self["password2"],
+                        SubmitField(
+                            "submit_account", submit_value, css_classes="small"
+                        ),
+                    ],
+                )
+            ],
         )
 
     def clean_password1(self):
@@ -144,29 +146,27 @@ class Meta(object):
 class ExternalAccountForm(AccountForm):
     def __init__(self, *args, **kwargs):
         super(AccountForm, self).__init__(*args, **kwargs)
-        self.helper = FormHelper()
-        self.helper.form_action = ''
-        self.helper.form_method = 'POST'
-
-        if kwargs['instance'].ext_sync:
-            # We don't want to enable local password editing for accounts that are
-            # managed externally.
-            authenticator = (
-                "<p class='alert-box'>External authenticator: %s</p>"
-                % kwargs["instance"].ext_sync
-            )
-            del self.fields['password1']
-            del self.fields['password2']
-            self.fields['login'].widget.attrs['readonly'] = True
 
-        self.helper.layout = Layout(
-            Fieldset(
-                'Account',
-                'login',
-                'name',
-                HTML(authenticator),
-                Submit('submit_account', 'Save changes', css_class='small'),
-            )
+        # We don't want to enable local password editing for accounts that are
+        # managed externally.
+        del self.fields['password1']
+        del self.fields['password2']
+        self.fields['login'].widget.attrs['readonly'] = True
+
+        self.attrs = set_flat_form_attributes(
+            form_fields=[
+                FlatFieldset(
+                    legend="Account",
+                    fields=[
+                        self["login"],
+                        self["name"],
+                        SubmitField(
+                            "submit_account", "Save changes", css_classes="small"
+                        ),
+                    ],
+                    template="useradmin/frag-external-account-fieldset.html",
+                )
+            ],
         )