diff --git a/lib/PhpParser/Token.php b/lib/PhpParser/Token.php
index 6683310f16..47fbab4044 100644
--- a/lib/PhpParser/Token.php
+++ b/lib/PhpParser/Token.php
@@ -8,11 +8,14 @@
 class Token extends Internal\TokenPolyfill {
     /** Get (exclusive) zero-based end position of the token. */
     public function getEndPos(): int {
-        return $this->pos + \strlen($this->text);
+        return $this->pos < 0 ? $this->pos : $this->pos + \strlen($this->text);
     }
 
     /** Get 1-based end line number of the token. */
     public function getEndLine(): int {
+        if ($this->line < 1 || !isset($this->text[1])) {
+            return $this->line;
+        }
         return $this->line + \substr_count($this->text, "\n");
     }
 }