diff --git a/registration/forms.py b/registration/forms.py
index 4f16d42..85db31e 100644
--- a/registration/forms.py
+++ b/registration/forms.py
@@ -38,19 +38,6 @@ class SignupForm(UserCreationForm):
             self.add_error("email", _("This email address is already used."))
         return email
 
-    def clean(self):
-        # Check that registrations are opened
-        now = timezone.now()
-        if now < settings.REGISTRATION_DATES['open']:
-            self.add_error(None, format_lazy(_("Registrations are not opened yet. "
-                                               "They will open on the {opening_date:%Y-%m-%d %H:%M}."),
-                                             opening_date=settings.REGISTRATION_DATES['open']))
-        elif now > settings.REGISTRATION_DATES['close']:
-            self.add_error(None, format_lazy(_("Registrations for this year are closed since "
-                                               "{closing_date:%Y-%m-%d %H:%M}."),
-                                             closing_date=settings.REGISTRATION_DATES['close']))
-        return super().clean()
-
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.fields["first_name"].required = True
diff --git a/registration/templates/registration/signup.html b/registration/templates/registration/signup.html
index 35e87e3..dd59945 100644
--- a/registration/templates/registration/signup.html
+++ b/registration/templates/registration/signup.html
@@ -10,13 +10,13 @@
 
 {% block content %}
     {% now "c" as now %}
-    {% if now < TFJM.REGISTRATION_DATES.open.isoformat %}
+    {% if now < TFJM.REGISTRATION_DATES.open.isoformat and not user.registration.is_admin %}
         <div class="alert alert-warning">
             {% trans "Thank you for your great interest, but registrations are not opened yet!" %}
             {% trans "They will open on:" %} {{ TFJM.REGISTRATION_DATES.open|date:'DATETIME_FORMAT' }}.
             {% trans "Please come back at this time to register!" %}
         </div>
-    {% elif now > TFJM.REGISTRATION_DATES.close.isoformat %}
+    {% elif now > TFJM.REGISTRATION_DATES.close.isoformat and not user.registration.is_admin %}
         <div class="alert alert-danger">
             {% trans "Registrations are closed for this year. We hope to see you next year!" %}
             {% trans "If needed, you can contact us by mail." %}
diff --git a/registration/views.py b/registration/views.py
index e004af8..2771eb3 100644
--- a/registration/views.py
+++ b/registration/views.py
@@ -62,6 +62,20 @@ class SignupView(CreateView):
 
     @transaction.atomic
     def form_valid(self, form):
+        if not self.request.user.registration.is_admin:
+            # Check that registrations are opened
+            now = timezone.now()
+            if now < settings.REGISTRATION_DATES['open']:
+                form.add_error(None, format_lazy(_("Registrations are not opened yet. "
+                                                "They will open on the {opening_date:%Y-%m-%d %H:%M}."),
+                                                opening_date=settings.REGISTRATION_DATES['open']))
+            elif now > settings.REGISTRATION_DATES['close']:
+                form.add_error(None, format_lazy(_("Registrations for this year are closed since "
+                                                "{closing_date:%Y-%m-%d %H:%M}."),
+                                                closing_date=settings.REGISTRATION_DATES['close']))
+            if not form.is_valid():
+                return self.form_invalid(form)
+
         role = form.cleaned_data["role"]
         if role == "participant":
             registration_form = StudentRegistrationForm(self.request.POST)