diff --git a/library/Businessprocess/Storage/LegacyConfigParser.php b/library/Businessprocess/Storage/LegacyConfigParser.php
index 89d4629..84b84a3 100644
--- a/library/Businessprocess/Storage/LegacyConfigParser.php
+++ b/library/Businessprocess/Storage/LegacyConfigParser.php
@@ -168,6 +168,7 @@ class LegacyConfigParser
      */
     protected static function parseHeaderLine($line, Metadata $metadata)
     {
+        $line = trim($line);
         if (preg_match('/^\s*#\s+(.+?)\s*:\s*(.+)$/', $line, $m)) {
             if ($metadata->hasKey($m[1])) {
                 $metadata->set($m[1], $m[2]);