diff --git a/index.php b/index.php
index 03ae2ef5..75eadda0 100644
--- a/index.php
+++ b/index.php
@@ -26,17 +26,19 @@ ini_set('user_agent', 'Mozilla/5.0 (X11; Linux x86_64; rv:30.0) Gecko/20121202 F
 // cache file purge - delete cache files older than 24 hours
 $cacheTimeLimit = time() - 60*60*24 ;
 $cachePath = 'cache';
-$cacheIterator = new RecursiveIteratorIterator(
-  new RecursiveDirectoryIterator($cachePath),
-  RecursiveIteratorIterator::CHILD_FIRST
-);
-foreach ($cacheIterator as $cacheFile) {
-   if (in_array($cacheFile->getBasename(), array('.', '..')))
-      continue;
-   elseif ($cacheFile->isFile()) {
-      if( filemtime($cacheFile->getPathname()) < $cacheTimeLimit )
-         unlink( $cacheFile->getPathname() );
-      }
+if(file_exists($cachePath)) {
+   $cacheIterator = new RecursiveIteratorIterator(
+     new RecursiveDirectoryIterator($cachePath),
+     RecursiveIteratorIterator::CHILD_FIRST
+   );
+   foreach ($cacheIterator as $cacheFile) {
+      if (in_array($cacheFile->getBasename(), array('.', '..')))
+         continue;
+      elseif ($cacheFile->isFile()) {
+         if( filemtime($cacheFile->getPathname()) < $cacheTimeLimit )
+            unlink( $cacheFile->getPathname() );
+         }
+   }
 }
 
 // default whitelist