diff --git a/smash/web/forms.py b/smash/web/forms.py
index b86fed54e231d9dcae3672e3680fcd37e72d4375..920d6922d61e9116070a76e4f9e0f09b2069d4df 100644
--- a/smash/web/forms.py
+++ b/smash/web/forms.py
@@ -131,7 +131,7 @@ class AppointmentEditForm(ModelForm):
     datetime_when = forms.DateTimeField(label='Appointment on (YYYY-MM-DD HH:MM)',
                                         widget=forms.DateTimeInput(DATETIMEPICKER_DATE_ATTRS)
                                         )
-    appointment_types = forms.ModelMultipleChoiceField(widget=forms.CheckboxSelectMultiple,
+    appointment_types = forms.ModelMultipleChoiceField(required=False, widget=forms.CheckboxSelectMultiple,
                                                        queryset=AppointmentType.objects.all())
 
     def __init__(self, *args, **kwargs):
@@ -160,7 +160,7 @@ class AppointmentAddForm(ModelForm):
     datetime_when = forms.DateTimeField(label='Appointment on (YYYY-MM-DD HH:MM)',
                                         widget=forms.DateTimeInput(DATETIMEPICKER_DATE_ATTRS)
                                         )
-    appointment_types = forms.ModelMultipleChoiceField(widget=forms.CheckboxSelectMultiple,
+    appointment_types = forms.ModelMultipleChoiceField(required=False, widget=forms.CheckboxSelectMultiple,
                                                        queryset=AppointmentType.objects.all())
 
     def __init__(self, *args, **kwargs):
@@ -190,7 +190,7 @@ class VisitDetailForm(ModelForm):
                                    )
 
     post_mail_sent = forms.RadioSelect()
-    appointment_types = forms.ModelMultipleChoiceField(widget=forms.CheckboxSelectMultiple,
+    appointment_types = forms.ModelMultipleChoiceField(required=False, widget=forms.CheckboxSelectMultiple,
                                                        queryset=AppointmentType.objects.all())
 
     class Meta:
@@ -206,7 +206,7 @@ class VisitAddForm(ModelForm):
     datetime_end = forms.DateField(label="Visit ends on",
                                    widget=forms.TextInput(attrs=DATEPICKER_DATE_ATTRS)
                                    )
-    appointment_types = forms.ModelMultipleChoiceField(widget=forms.CheckboxSelectMultiple,
+    appointment_types = forms.ModelMultipleChoiceField(required=False, widget=forms.CheckboxSelectMultiple,
                                                        queryset=AppointmentType.objects.all())
 
     class Meta: