diff --git a/feedapi.module b/feedapi.module
index 97b22d1..e4c0b2e 100644
--- a/feedapi.module
+++ b/feedapi.module
@@ -267,7 +267,7 @@ function feedapi_views_api() {
  * @param $param
  *  Depends on the $op value.
  */
-function feedapi_invoke($op, &$feed, $param = NULL) {
+function feedapi_invoke($op, $feed, $param = NULL) {
   if (!is_object($feed)) {
     return FALSE;
   }