diff --git a/rating/lib.php b/rating/lib.php
index 8a01d51f858..b392d347a4c 100644
--- a/rating/lib.php
+++ b/rating/lib.php
@@ -539,7 +539,7 @@ class rating_manager {
                 $aggregatestr = 'AVG';
                 break;
             case RATING_AGGREGATE_COUNT:
-                $aggregatestr = 'CNT';
+                $aggregatestr = 'COUNT';
                 break;
             case RATING_AGGREGATE_MAXIMUM:
                 $aggregatestr = 'MAX';