diff --git a/scripts/convert_null_to_empty_in_all_char_fields.py b/scripts/convert_null_to_empty_in_all_char_fields.py
index 6f21f885e..66d896d5c 100644
--- a/scripts/convert_null_to_empty_in_all_char_fields.py
+++ b/scripts/convert_null_to_empty_in_all_char_fields.py
@@ -1,18 +1,22 @@
 from django.db import models
 
-from sapl.utils import sapl_appconfs
+from django.apps import apps
+from sapl.settings import SAPL_APPS
 
 
 def convert_null_to_empty():
-    for app in sapl_appconfs:
-        for model in app.get_models():
-            print('Convertendo null p/ vazio. model [%s]'
-                  % model._meta.model_name)
-            char_fields = [f for f in model._meta.fields
-                           if isinstance(f, (models.CharField,
-                                             models.TextField))]
-            for obj in model.objects.all():
-                for field in char_fields:
-                    if getattr(obj, field.name) is None:
-                        setattr(obj, field.name, '')
-                obj.save()
+    for name in SAPL_APPS:
+        for model in apps.get_app_config(name).get_models():
+            try:
+                print('Convertendo null p/ vazio. model [%s]'
+                      % model._meta.model_name)
+                char_fields = [f for f in model._meta.fields
+                               if isinstance(f, (models.CharField,
+                                                 models.TextField))]
+                for obj in model.objects.all():
+                    for field in char_fields:
+                        if getattr(obj, field.name) is None:
+                            setattr(obj, field.name, '')
+                    obj.save()
+            except Exception as e:
+                print(e)