diff --git a/getPreview.php b/getPreview.php
index 44e5fff..81ee922 100644
--- a/getPreview.php
+++ b/getPreview.php
@@ -68,6 +68,16 @@ function getFileExtention($uri)
     return $parts[(count($parts)-1)];
 }
 
+function getFullNumberString($number)
+{
+    while(strlen($number) <= 6)
+    {
+        $number = "0".$number;
+    }
+
+    return $number;
+}
+
 while(true)
 {
     $streamInfo = getStreamInfo($globalData['Channel']);
@@ -83,7 +93,7 @@ while(true)
     }
         
 
-    $imageFileName = $globalData['Folder'].(getFileCountInFolder() + 1).".".getFileExtention($previewURL);
+    $imageFileName = $globalData['Folder'].getFullNumberString((getFileCountInFolder() + 1)).".".getFileExtention($previewURL);
 
     echo "Copy preview url '".$previewURL."' to '".$imageFileName."' ...";
     file_put_contents($imageFileName, file_get_contents($previewURL, false, $globalData['sslContext']));