diff --git a/product_configurator/models/product_attribute.py b/product_configurator/models/product_attribute.py
index 84032154..356c164e 100644
--- a/product_configurator/models/product_attribute.py
+++ b/product_configurator/models/product_attribute.py
@@ -109,7 +109,7 @@ def validate_custom_val(self, val):
         if self.custom_type in ('int', 'float'):
             minv = self.min_val
             maxv = self.max_val
-            val = literal_eval(val)
+            val = literal_eval(str(val))
             if minv and maxv and (val < minv or val > maxv):
                 raise ValidationError(
                     _("Selected custom value '%s' must be between %s and %s"
diff --git a/product_configurator/models/product_config.py b/product_configurator/models/product_config.py
index b3780c19..7e8f00e3 100644
--- a/product_configurator/models/product_config.py
+++ b/product_configurator/models/product_config.py
@@ -309,7 +309,7 @@ def _get_custom_vals_dict(self):
             if val.attribute_id.custom_type in ['float', 'int']:
                 custom_vals[val.attribute_id.id] = literal_eval(val.value)
             else:
-                custom_vals[val.attribute_id.id] = val.value
+                custom_vals[val.attribute_id.id] = val.attachment_ids
         return custom_vals
 
     @api.multi
@@ -460,6 +460,7 @@ def update_config(self, attr_val_dict=None, custom_val_dict=None):
             if attr_id in binary_field_ids:
                 attachments = [(0, 0, {
                     'name': val.get('name'),
+                    'datas_fname': val.get('name'),
                     'datas': val.get('datas')
                 }) for val in vals]
                 custom_vals.update({'attachment_ids': attachments})