diff --git a/src/danog/MadelineProto/TL/TL.php b/src/danog/MadelineProto/TL/TL.php
index 9fc6432c7..b8c9cd153 100644
--- a/src/danog/MadelineProto/TL/TL.php
+++ b/src/danog/MadelineProto/TL/TL.php
@@ -359,7 +359,7 @@ trait TL
         $constructorData = $this->constructors->find_by_predicate($predicate, $layer);
         if ($constructorData === false) {
             \danog\MadelineProto\Logger::log([$object], \danog\MadelineProto\Logger::FATAL_ERROR);
-            throw new Exception('Could not extract type');
+            throw new Exception('Could not extract type "'.$predicate.'"');
         }
 
         if ($bare = ($type['type'] != '' && $type['type'][0] === '%')) {