diff --git a/include/renderer.php b/include/renderer.php
index 2e52e19..1e4d244 100644
--- a/include/renderer.php
+++ b/include/renderer.php
@@ -426,7 +426,11 @@ class Renderer {
     }
     
     protected function decode(string $toDecode, string $salt): string {
-        return $toDecode ? openssl_decrypt($toDecode, 'aes-256-cbc', $this->encryptionKey, 0, $salt) : '';
+        try {
+            return $toDecode ? openssl_decrypt($toDecode, 'aes-256-cbc', $this->encryptionKey, 0, $salt) : '';
+        } catch (exception $e) {
+            return '';
+        }
     }