diff --git a/layerdiff.php b/layerdiff.php
index 32640022e..e057c5425 100644
--- a/layerdiff.php
+++ b/layerdiff.php
@@ -76,7 +76,7 @@ foreach (['methods', 'constructors'] as $type) {
     foreach ($new[$type]->by_id as $constructor) {
         $name = $constructor[$key];
         $constructor['id'] = $new[$type]->$finder($name)['id'];
-        if ($old[$type]->$finder($name) && $old[$type]->$finder($name)['id'] !== $constructor['id']) {
+        if ($old[$type]->$finder($name)) {
             $new_args = $constructor['params'];
             $old_args = $old[$type]->$finder($name)['params'];
             $final_new_args = [];
diff --git a/src/danog/MadelineProto/Tools.php b/src/danog/MadelineProto/Tools.php
index ce609db31..c177ce0da 100644
--- a/src/danog/MadelineProto/Tools.php
+++ b/src/danog/MadelineProto/Tools.php
@@ -122,6 +122,9 @@ trait Tools
 
     public static function unpack_signed_long_string($value)
     {
+        if (is_int($value)) {
+            return (string) $value;
+        }
         if (strlen($value) !== 8) {
             throw new TL\Exception(\danog\MadelineProto\Lang::$current_lang['length_not_8']);
         }