diff --git a/dsfr/templatetags/dsfr_tags.py b/dsfr/templatetags/dsfr_tags.py
index c12181b9b..4a5c6e58c 100644
--- a/dsfr/templatetags/dsfr_tags.py
+++ b/dsfr/templatetags/dsfr_tags.py
@@ -1590,6 +1590,8 @@ def dsfr_form_field(field) -> dict:
     **Usage**:
         `{% dsfr_form_field field|dsfr_inline %}`
     """
+    if field == '':
+        raise AttributeError("Invalid form field name in dsfr_form_field")
     return {"field": field}