diff --git a/pandora_console/include/functions_reporting.php b/pandora_console/include/functions_reporting.php
index ae40d03de3..e73aad9c9b 100755
--- a/pandora_console/include/functions_reporting.php
+++ b/pandora_console/include/functions_reporting.php
@@ -6961,7 +6961,7 @@ function sla_truncate($num, $accurancy=2)
  *
  * @param integer $value            Value.
  * @param integer $min              Treshold min SLA.
- * @param boolean $max              Treshold max SLA.
+ * @param integer $max              Treshold max SLA.
  * @param boolean $inverse_interval Treshold inverse SLA.
  *
  * @return boolean Returns the interval in downtime (false if no matches).
@@ -14749,8 +14749,10 @@ function reporting_module_histogram_graph($report, $content, $pdf=0)
     if ($modules_is_string === false) {
         if ($agentmodule_info['max_critical'] == 0) {
             $max_value_critical = null;
-            if ((bool) $content['dinamic_proc'] === true) {
-                $max_value_critical = 0.01;
+            if ($agentmodule_info['min_critical'] == 0) {
+                if ((bool) $content['dinamic_proc'] === true) {
+                    $max_value_critical = 0.01;
+                }
             }
         } else {
             $max_value_critical = $agentmodule_info['max_critical'];