diff --git a/conditional_fields.module b/conditional_fields.module
index d8f11c3..7bee7d0 100755
--- a/conditional_fields.module
+++ b/conditional_fields.module
@@ -1213,7 +1213,7 @@ function conditional_fields_content_fieldapi($ops, $field) {
   }
   // Import conditional fields definitions with content_copy module
   elseif ($ops == 'create instance') {
-    if ($field['conditional_fields']['available_fields']) {
+    if (!empty($field['conditional_fields']['available_fields'])) {
       conditional_fields_save_field($field['type_name'], $field['field_name'], $field['conditional_fields']['available_fields']);
     }
   }