diff --git a/system/libraries/Image_lib.php b/system/libraries/Image_lib.php
index a602b46..4303697 100644
--- a/system/libraries/Image_lib.php
+++ b/system/libraries/Image_lib.php
@@ -226,7 +226,7 @@
 				}
 				
 				// Is there a file name?
-				if ( ! preg_match("#[\.jpg|\.jpeg|\.gif|\.png]$#i", $full_dest_path))
+				if ( ! preg_match("#\.(jpg|jpeg|gif|png)$#i", $full_dest_path))
 				{
 					$this->dest_folder = $full_dest_path.'/';
 					$this->dest_image = $this->source_image;