1 files changed, 1 insertions, 1 deletions
diff --git a/index.php b/index.php
index 3ac140699..2bb4ec48d 100644
--- a/index.php
+++ b/index.php
@@ -17,7 +17,7 @@
  *                                                                         *
  ***************************************************************************/
 
-define( PREFIX_INCLUDE, '' );
+define( 'PREFIX_INCLUDE', '' );
 include_once( './include/functions.inc.php' );
 database_connection();
 // retrieving configuration informations