diff --git a/includes/polling/applications/rrdcached.inc.php b/includes/polling/applications/rrdcached.inc.php
index 21bb5e4684..f37136402b 100644
--- a/includes/polling/applications/rrdcached.inc.php
+++ b/includes/polling/applications/rrdcached.inc.php
@@ -53,7 +53,8 @@ if ($agent_data['app']['rrdcached']) {
         while ($max == -1 || $count < $max) {
             $data .= fgets($sock, 128);
             if ($max == -1) {
-                $max = explode(' ', $data)[0] + 1;
+                $tmp_max = explode(' ', $data);
+                $max     = $tmp_max[0]+1;
             }
             $count++;
         }