diff --git a/src/Plugin/monitoring/SensorPlugin/PhpNoticesSensorPlugin.php b/src/Plugin/monitoring/SensorPlugin/PhpNoticesSensorPlugin.php
index fcac317..ad58a60 100644
--- a/src/Plugin/monitoring/SensorPlugin/PhpNoticesSensorPlugin.php
+++ b/src/Plugin/monitoring/SensorPlugin/PhpNoticesSensorPlugin.php
@@ -43,12 +43,11 @@ class PhpNoticesSensorPlugin extends WatchdogAggregatorSensorPlugin {
       $variables = unserialize($this->fetchedObject->variables);
       $variables['%file'] = $this->shortenFilename($variables['%file']);
       foreach ($variables as $key => $value) {
-        $variables['!' . substr($key, 1)] = $variables[$key];
-        if (substr($key, 0, 1) === '%') {
-          unset($variables[$key]);
-        }
+        // Remove the sanitation key from the variables array.
+        $variables[substr($key, 1)] = $variables[$key];
+        unset($variables[$key]);
       }
-      $result->setMessage('@count times: @error', ['@count' => (int) $this->fetchedObject->records_count, '@error' => SafeMarkup::format('!type: !message in !function (line !line of !file).', $variables)]);
+      $result->setMessage('@count times: @error', ['@count' => (int) $this->fetchedObject->records_count, '@error' => SafeMarkup::format('type: message in function (Line line of file).', $variables)]);
     };
   }