diff --git a/pandora_console/include/functions_graph.php b/pandora_console/include/functions_graph.php
index 79fbefce19..b3c4a6ed42 100644
--- a/pandora_console/include/functions_graph.php
+++ b/pandora_console/include/functions_graph.php
@@ -1787,7 +1787,7 @@ function graphic_combined_module(
                 if (!empty($params_combined['labels'])
                     && isset($params_combined['labels'][$module])
                 ) {
-                    $label = io_safe_input($params_combined['labels'][$module]);
+                    $label = io_safe_output($params_combined['labels'][$module]);
                 } else {
                     $alias = db_get_value(
                         'alias',