diff --git a/apps/participation/forms.py b/apps/participation/forms.py
index e0e427c..5491f78 100644
--- a/apps/participation/forms.py
+++ b/apps/participation/forms.py
@@ -20,7 +20,7 @@ class TeamForm(forms.ModelForm):
     """
     def clean_name(self):
         if "name" in self.cleaned_data:
-            name = self.cleaned_data["name"].upper()
+            name = self.cleaned_data["name"]
             if not self.instance.pk and Team.objects.filter(name=name).exists():
                 raise ValidationError(_("This name is already used."))
             return name