diff --git a/php.ini b/php.ini
index d1d8125..86df6bc 100644
--- a/php.ini
+++ b/php.ini
@@ -2,7 +2,7 @@ memory_limit = -1
 zend.assertions = 1
 display_errors = On
 display_startup_errors = On
-
+extension=mbstring
 [opcache]
 zend_extension=opcache
 opcache.memory_consumption=4096M