diff --git a/wagtail/wagtailadmin/tests/test_widgets.py b/wagtail/wagtailadmin/tests/test_widgets.py
index 62b366395..00b18961c 100644
--- a/wagtail/wagtailadmin/tests/test_widgets.py
+++ b/wagtail/wagtailadmin/tests/test_widgets.py
@@ -18,6 +18,10 @@ class TestAdminPageChooserWidget(TestCase):
         )
         self.root_page.add_child(instance=self.child_page)
 
+    def test_not_hidden(self):
+        widget = widgets.AdminPageChooser()
+        self.assertFalse(widget.is_hidden)
+
     def test_render_html(self):
         widget = widgets.AdminPageChooser()
 
diff --git a/wagtail/wagtailadmin/widgets.py b/wagtail/wagtailadmin/widgets.py
index 15645cd5c..617214c1f 100644
--- a/wagtail/wagtailadmin/widgets.py
+++ b/wagtail/wagtailadmin/widgets.py
@@ -68,6 +68,10 @@ class AdminChooser(WidgetWithScript, widgets.Input):
     link_to_chosen_text = _("Edit this item")
     show_edit_link = True
 
+    # when looping over form fields, this one should appear in visible_fields, not hidden_fields
+    # despite the underlying input being type="hidden"
+    is_hidden = False
+
     def get_instance(self, model_class, value):
         # helper method for cleanly turning 'value' into an instance object
         if value is None: