diff --git a/src/Smalot/PdfParser/Parser.php b/src/Smalot/PdfParser/Parser.php
index b051f114..8d31656a 100644
--- a/src/Smalot/PdfParser/Parser.php
+++ b/src/Smalot/PdfParser/Parser.php
@@ -320,6 +320,7 @@ protected function parseHeaderElement(?string $type, $value, ?Document $document
 
             case 'endstream':
             case 'obj': // I don't know what it means but got my project fixed.
+            case 'endobj': // I don't know what this means either, but it is found in some PDF documents I tried to parse.
             case '':
                 // Nothing to do with.
                 return null;