diff --git a/dev/tools/fixcopyrightheader.php b/dev/tools/fixcopyrightheader.php
index f6b076e82ee..bda934bf3b7 100755
--- a/dev/tools/fixcopyrightheader.php
+++ b/dev/tools/fixcopyrightheader.php
@@ -120,16 +120,21 @@ function updateCopyrightNotice($filename, $fileType, $name, $email)
 	}
 
 	// Pattern to match the line matching the current developer
-	$pattern = "~(?:{$r_prefix0}|{$r_prefix1})Copyright \(C\)\s+(?:(?:\d{4}-)?(?<year>\d{4}))\s+{$r_name}\s*\<{$r_email}>~";
+	$pattern = "~(?:{$r_prefix0}|{$r_prefix1})Copyright \(C\)\s+(?:(?:(?<start>\d{4})-)?(?<last>\d{4}))\s+{$r_name}\s*\<{$r_email}>~";
 	// Check if the lines match the pattern
 	$matches = array();
 	if (preg_match($pattern, $lines, $matches)) {
-		$existingYear = $matches['year'];
+		$existingYear = $matches['last'];
+		if (array_key_exists('start', $matches)) {
+			$startYear = $matches['start'];
+		} else {
+			$startYear = $existingYear;
+		}
 
 		// Check if the existing year is different from the current year
 		if ($existingYear !== date('Y')) {
-			// Update the year range to include or be up to the current year
-			$updatedNotice = preg_replace('/(\d{4})(-\d{4})?\s+/', $existingYear . '-' . date('Y') . "\t", $matches[0]);
+			// Extend the year range to the current year
+			$updatedNotice = preg_replace('/(?:\d{4}-)?\d{4}\s+/', $startYear . '-' . date('Y') . "\t", $matches[0]);
 
 			// Replace the old notice with the updated one in the file
 			file_put_contents($filename, preg_replace($pattern, $updatedNotice, file_get_contents($filename)));