diff --git a/app/Classes/File.php b/app/Classes/File.php
index aa34a80..eef07b3 100644
--- a/app/Classes/File.php
+++ b/app/Classes/File.php
@@ -30,7 +30,7 @@ class File extends FileBase implements \Iterator
 
 			case NULL:
 			case 'bin':
-				if ($this->getExtension() == 'pkt' || ($path instanceof UploadedFile && $path->getClientOriginalExtension() == 'pkt')) {
+				if ((strcasecmp($this->getExtension(),'pkt') === 0) || ($path instanceof UploadedFile && (strcasecmp($path->getClientOriginalExtension(),'pkt') === 0))) {
 					$this->canHandle = TRUE;
 					break;
 				};