diff --git a/input/forms.py b/input/forms.py
index de6fc83..3a7bae9 100644
--- a/input/forms.py
+++ b/input/forms.py
@@ -97,10 +97,17 @@ class LiteratureForm(CheckForm):
         js = ('dropdown/js/base.js',)
 
 class EmailForm(CheckForm):
+    
+    # this is the code, to change required to false if needed
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields['adult'].required = True
+
+
     # TODO: add some javascript to show/hide other-field
     class Meta:
         model = Email
-        fields = ['domain', 'address', 'other']
+        fields = ['domain', 'address', 'other', 'adult']
     class Media:
         js = ('dropdown/js/base.js',)