diff --git a/psalm.xml b/psalm.xml
index d8ae6a560..c76a77ba7 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -20,6 +20,7 @@
         <ignoreFiles>
             <directory name="vendor" />
             <file name="src/TL/TLParser.php" />
+            <file name="src/InternalDoc.php" />
             <file name="src/TL/SecretTLParser.php" />
         </ignoreFiles>
     </projectFiles>
diff --git a/src/MTProtoTools/FilesLogic.php b/src/MTProtoTools/FilesLogic.php
index 40c9985a0..c5eb07111 100644
--- a/src/MTProtoTools/FilesLogic.php
+++ b/src/MTProtoTools/FilesLogic.php
@@ -111,6 +111,7 @@ trait FilesLogic
 
             Assert::true(isset($_SERVER['REQUEST_METHOD']));
 
+            /** @psalm-suppress PossiblyUndefinedArrayOffset */
             $result = ResponseInfo::parseHeaders(
                 $_SERVER['REQUEST_METHOD'],
                 $headers,