fix error in extension_aliases()

Signed-off-by: Florian Pritz <bluewind@xssn.at>

1 files changed, 1 insertions, 0 deletions

diff --git a/system/application/models/file_mod.php b/system/application/models/file_mod.php
index 24b491831..a41e04b1a 100644
--- a/system/application/models/file_mod.php
+++ b/system/application/models/file_mod.php
@@ -379,6 +379,7 @@ class File_mod extends Model {
 	// Handle alias extensions
 	function extension_aliases($alias)
 	{
+		if ($alias === false) return false;
 		$aliasarray = array(
 			'py' => 'python'
 		);