diff --git a/modules/monitoring/library/Monitoring/Plugin/Perfdata.php b/modules/monitoring/library/Monitoring/Plugin/Perfdata.php
index cdafa534c..b1c71cb72 100644
--- a/modules/monitoring/library/Monitoring/Plugin/Perfdata.php
+++ b/modules/monitoring/library/Monitoring/Plugin/Perfdata.php
@@ -434,7 +434,7 @@ class Perfdata
     public function formatLabel($html = false)
     {
         return sprintf(
-            $html ? t('<b>%s %s</b> (%s%%)') : t('%s %s (%s%%)'),
+            $html ? '<b>%s %s</b> (%s%%)' : '%s %s (%s%%)',
             htmlspecialchars($this->getLabel()),
             $this->format($this->value),
             number_format($this->getPercentage(), 2)