diff --git a/database/updates.inc b/database/updates.inc
index 172c527f7525bc890071bcdc20bb3fd4b0a27a86..f63568b699eac8c505d7aadfcbf03a9b7ff9e22d 100644
--- a/database/updates.inc
+++ b/database/updates.inc
@@ -1144,7 +1144,9 @@ function update_91() {
 }
 
 function update_92() {
+  $ret = array();
   $ret[] = update_sql("DELETE FROM {cache}");
+  return $ret;
 }
 
 function update_sql($sql) {