diff --git a/scipost_django/scipost/forms.py b/scipost_django/scipost/forms.py
index 2af2ae31b3a1203e76094a5cac56a2a59236192d..1b2148bb39b0bf6708cdd3a0139926976bf73313 100644
--- a/scipost_django/scipost/forms.py
+++ b/scipost_django/scipost/forms.py
@@ -204,7 +204,7 @@ class RegistrationForm(forms.Form):
             )
 
         profile = Profile.objects.filter(
-            emails__email__icontains=self.cleaned_data["email"]
+            emails__email__iexact=self.cleaned_data["email"]
         ).first()
         try:
             if profile and profile.contributor: