diff --git a/wagtail/wagtailforms/forms.py b/wagtail/wagtailforms/forms.py
index aaf16eb79..4f874133a 100644
--- a/wagtail/wagtailforms/forms.py
+++ b/wagtail/wagtailforms/forms.py
@@ -100,11 +100,11 @@ class FormBuilder(object):
 
 
 class SelectDateForm(django.forms.Form):
-    date_from = django.forms.DateField(
+    date_from = django.forms.DateTimeField(
         required=False,
         widget=django.forms.DateInput(attrs={'placeholder': 'Date from'})
     )
-    date_to = django.forms.DateField(
+    date_to = django.forms.DateTimeField(
         required=False,
         widget=django.forms.DateInput(attrs={'placeholder': 'Date to'})
     )