diff --git a/map-poller.php b/map-poller.php
index 0d6a355..e20bc22 100755
--- a/map-poller.php
+++ b/map-poller.php
@@ -61,7 +61,9 @@
     {
         while (($file = readdir($dh)) !== false)
         {
-            if ("." != $file && ".." != $file && ".htaccess" != $file && "index.php" != $file)
+            $allowed = array('conf');
+            $ext = pathinfo($file, PATHINFO_EXTENSION);
+            if (!in_array($ext, $allowed))
             {
                 $cmd = "php ./weathermap.php --config $conf_dir/$file --base-href $basehref";