@@ -226,7 +226,7 @@ class LibraryInstaller implements InstallerInterface
$line = fgets($handle);
fclose($handle);
if (preg_match('{^#!/(?:usr/bin/env )?(?:[^/]+/)*(.+)$}m', $line, $match)) {
- $caller = $match[1];
+ $caller = trim($match[1]);
} else {
$caller = 'php';
}