typo

diff --git a/PlanetLabConf/sfa_config.php b/PlanetLabConf/sfa_config.php
index fee3dde..33d807b 100755 (executable)
--- a/PlanetLabConf/sfa_config.php
+++ b/PlanetLabConf/sfa_config.php
@@ -8,7 +8,7 @@
 $config_directory = "/etc/sfa/";
 $default_name = "sfa_component_config";
 $file_name = $config_directory . $default_name;
-if (file_exists($filename)) {
+if (file_exists($file_name)) {
     readfile($file_name); 
 }
 exit();