diff --git a/src/Standards/PSR12/Sniffs/Files/FileHeaderSniff.php b/src/Standards/PSR12/Sniffs/Files/FileHeaderSniff.php
index f06357d432..765ba0e071 100644
--- a/src/Standards/PSR12/Sniffs/Files/FileHeaderSniff.php
+++ b/src/Standards/PSR12/Sniffs/Files/FileHeaderSniff.php
@@ -52,7 +52,7 @@ public function process(File $phpcsFile, $stackPtr)
             $headerLines = $this->getHeaderLines($phpcsFile, $openTag);
             if (empty($headerLines) === true && $openTag === $stackPtr) {
                 // No content in the file.
-                return;
+                return $phpcsFile->numTokens;
             }
 
             $possibleHeaders[$openTag] = $headerLines;