diff --git a/pandora_console/include/graphs/functions_d3.php b/pandora_console/include/graphs/functions_d3.php
index a76d1f3c55..06e4a23cf8 100644
--- a/pandora_console/include/graphs/functions_d3.php
+++ b/pandora_console/include/graphs/functions_d3.php
@@ -24,7 +24,7 @@ function include_javascript_d3 ($return = false) {
if (!$is_include_javascript) {
$is_include_javascript = true;
- $output .= '';
+ $output .= '';
$output .= '';
}