diff --git a/django_jsonforms/forms.py b/django_jsonforms/forms.py
index 94b23be..4fff5ee 100644
--- a/django_jsonforms/forms.py
+++ b/django_jsonforms/forms.py
@@ -75,7 +75,7 @@ def to_python(self, value):
         if isinstance(value, str):
             try:
                 return json.loads(value)
-            except:
+            except json.JSONDecodeError:
                 raise ValidationError('Invalid JSON')
         return value