diff --git a/views/rb_views_plugin_argument_validate_rules_component.inc b/views/rb_views_plugin_argument_validate_rules_component.inc
index 04fd9c3..b73755b 100644
--- a/views/rb_views_plugin_argument_validate_rules_component.inc
+++ b/views/rb_views_plugin_argument_validate_rules_component.inc
@@ -41,7 +41,7 @@ class rb_views_plugin_argument_validate_rules_component extends views_plugin_arg
 
   function validate_argument($argument) {
     // Run the rule set with the argument value as input.
-    $result = rules_invoke_component($this->options['component'], &$this->argument->argument, $this->view->args);
+    $result = rules_invoke_component($this->options['component'], $this->argument->argument, $this->view->args);
 
     // Update the argument with the output from the rule set.
     $this->argument->argument = $result[0];