diff --git a/config.inc.php b/config.inc.php
index 684ca2d..1cfc1e9 100755
--- a/config.inc.php
+++ b/config.inc.php
@@ -9,7 +9,7 @@
 ini_set('log_errors', 1);
 
 define('BASE_DIR', __DIR__.'/httpdocs');
-define('BASE_URI', dirname($_SERVER['PHP_SELF']));
+define('BASE_URI', rtrim(dirname($_SERVER['PHP_SELF']), '/'));
 
 define('TOOLS_DIR', BASE_DIR.'/tools');
 define('TOOLS_URI', BASE_URI.'/tools');
diff --git a/httpdocs/index.php b/httpdocs/index.php
index a705da1..ba45046 100755
--- a/httpdocs/index.php
+++ b/httpdocs/index.php
@@ -9,7 +9,7 @@
 
 $tools = array_map(
     function ($item) {
-        return substr($item, strlen(BASE_DIR) + 1 /* trailing slash */);
+        return substr($item, strlen(BASE_DIR));
     },
     array_merge(glob(TOOLS_DIR.'/*', GLOB_ONLYDIR), glob(TOOLS_DIR.'/*.php'))
 );