diff --git a/core/vendor/filemanager/UploadHandler.php b/core/vendor/filemanager/UploadHandler.php
index bb0a4ae7..670a5549 100755
--- a/core/vendor/filemanager/UploadHandler.php
+++ b/core/vendor/filemanager/UploadHandler.php
@@ -1437,7 +1437,7 @@ class UploadHandler
 				$magicianObj -> saveImage($targetFile);
 			}
 
-			$thumbResult = create_img($targetFile, $targetFileThumb, 200, 150);
+			$thumbResult = create_img($targetFile, $targetFileThumb, 266, 200);
 
 			if ( $thumbResult!==true)
 			{