diff --git a/server/php/UploadHandler.php b/server/php/UploadHandler.php
index 62f65a51f..8d9138706 100755
--- a/server/php/UploadHandler.php
+++ b/server/php/UploadHandler.php
@@ -384,9 +384,9 @@ public function get_config_bytes($val) {
         }
         switch ($last) {
             case 'g':
-                $val *= 1024;
+                $val *= 1024 * 1024 * 1024;
             case 'm':
-                $val *= 1024;
+                $val *= 1024 * 1024;
             case 'k':
                 $val *= 1024;
         }