diff --git a/modules/field/field.crud.inc b/modules/field/field.crud.inc
index f478bff8a1401e2ddb6bc5106d8bfc3654a4e374..7b502943ffc76f0e15b2f25758d672af1403cbbc 100644
--- a/modules/field/field.crud.inc
+++ b/modules/field/field.crud.inc
@@ -423,7 +423,7 @@ function field_update_field($field) {
 
   // Tell the storage engine to update the field. Do this before
   // saving the new definition since it still might fail.
-  module_invoke(variable_get('field_storage_module', 'field_sql_storage'), 'field_storage_update_field', $field, $prior_field, $has_data);
+  module_invoke(variable_get('field_storage_default', 'field_sql_storage'), 'field_storage_update_field', $field, $prior_field, $has_data);
 
   // Save the new field definition. @todo: refactor with
   // field_create_field.