diff --git a/src/controllers/LogViewerController.php b/src/controllers/LogViewerController.php
index 03b7d4d..f8cf62a 100644
--- a/src/controllers/LogViewerController.php
+++ b/src/controllers/LogViewerController.php
@@ -78,8 +78,10 @@ public function index()
 
         if (is_array($data['logs']) && count($data['logs']) > 0) {
             $firstLog = reset($data['logs']);
-            if (!$firstLog['context'] && !$firstLog['level']) {
-                $data['standardFormat'] = false;
+            if ($firstLog) {
+                if (!$firstLog['context'] && !$firstLog['level']) {
+                    $data['standardFormat'] = false;
+                }
             }
         }