diff --git a/includes/polling/os/fortigate.inc.php b/includes/polling/os/fortigate.inc.php
index 6b680bd3a..f8626710b 100644
--- a/includes/polling/os/fortigate.inc.php
+++ b/includes/polling/os/fortigate.inc.php
@@ -31,7 +31,7 @@ if (is_numeric($sessions)) {
     rrdtool_update($sessrrd, $fields);
 
     $tags = array();
-    influx_update($device,'fortigate)sessions',$tags,$fields);
+    influx_update($device,'fortigate_sessions',$tags,$fields);
 
     $graphs['fortigate_sessions'] = true;
 }