diff --git a/src/ChangelogGenerator.php b/src/ChangelogGenerator.php
index 7f225f8..0251bd6 100644
--- a/src/ChangelogGenerator.php
+++ b/src/ChangelogGenerator.php
@@ -183,7 +183,7 @@ private function collectIssues($lastReleaseDate)
      private function getHeaderForType($type)
      {
          if (isset($this->typeHeadings[$type])) {
-             return sprintf($this->typeHeadings[$type]) . PHP_EOL;
+             return sprintf($this->typeHeadings[$type]) . "\n";
          }
 
          // fabricate a header based on the type name