diff --git a/public/include/classes/statistics.class.php b/public/include/classes/statistics.class.php
index 7a259d28..38f5360a 100644
--- a/public/include/classes/statistics.class.php
+++ b/public/include/classes/statistics.class.php
@@ -398,7 +398,7 @@ class Statistics {
     if ($this->getGetCache() && $data = $this->memcache->get(__FUNCTION__ . $account_id)) return $data;
     $stmt = $this->mysqli->prepare("
       SELECT
-        AVG(IF(difficulty=0, pow(2, (" . $this->config['difficulty'] . " - 16)), difficulty)) AS avgsharediff,
+        IFNULL(AVG(IF(difficulty=0, pow(2, (" . $this->config['difficulty'] . " - 16)), difficulty)), 0) AS avgsharediff,
         COUNT(s.id) AS total
       FROM " . $this->share->getTableName() . " AS s JOIN " . $this->user->getTableName() . " AS a
       ON a.username = SUBSTRING_INDEX( s.username, '.', 1 )