diff --git a/adminer/include/bootstrap.inc.php b/adminer/include/bootstrap.inc.php
index e8de1332..b5525d5f 100644
--- a/adminer/include/bootstrap.inc.php
+++ b/adminer/include/bootstrap.inc.php
@@ -14,6 +14,8 @@ if ($filter || ini_get("filter.default_flags")) {
 	}
 }
 
+@ini_set("mbstring.internal_encoding", "8bit"); // @ - can be disabled
+
 // used only in compiled file
 if (isset($_GET["file"])) {
 	include "../adminer/file.inc.php";