diff --git a/bibtexbrowser.php b/bibtexbrowser.php
index 2464379..cd04833 100755
--- a/bibtexbrowser.php
+++ b/bibtexbrowser.php
@@ -1,5 +1,5 @@
 <?php
-namespace Bibtexbrowser;
+namespace bibtexbrowser;
 /* bibtexbrowser: publication lists with bibtex and PHP
 <!--this is version v__GITHUB__ -->
 URL: http://www.monperrus.net/martin/bibtexbrowser/