diff --git a/bds/forms.py b/bds/forms.py
index 4f626926..9be0fb5b 100644
--- a/bds/forms.py
+++ b/bds/forms.py
@@ -36,4 +36,6 @@ class ProfileForm(forms.ModelForm):
     class Meta:
         model = BDSProfile
         exclude = ["user"]
-        widgets = {"birthdate": forms.DateInput(attrs={"type": "date"})}
+        widgets = {
+            "birthdate": forms.DateInput(attrs={"type": "date"}, format="%Y-%m-%d")
+        }