diff --git a/idhub/admin/forms.py b/idhub/admin/forms.py
index 3796969..a8ac0fa 100644
--- a/idhub/admin/forms.py
+++ b/idhub/admin/forms.py
@@ -217,13 +217,13 @@ class ImportForm(forms.Form):
         return data
 
     def clean_file_import(self):
-        props = self.json_schema.get("properties", {})
         data = self.cleaned_data["file_import"]
-        self.file_name = data.name
-
         if not self._schema:
             return data
 
+        self.file_name = data.name
+        props = self.json_schema.get("properties", {})
+
         # Forze than pandas read one column as string
         dtype_dict = {"phoneNumber": str}
         df = pd.read_excel(data, dtype=dtype_dict)