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-rw-r--r--modules/system/system.api.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/modules/system/system.api.php b/modules/system/system.api.php
index f54078b6d..fbcb17348 100644
--- a/modules/system/system.api.php
+++ b/modules/system/system.api.php
@@ -875,7 +875,7 @@ function hook_css_alter(&$css) {
*
* @see ajax_render()
*/
-function hook_ajax_render_alter($commands) {
+function hook_ajax_render_alter(&$commands) {
// Inject any new status messages into the content area.
$commands[] = ajax_command_prepend('#block-system-main .content', theme('status_messages'));
}