diff --git a/php/db.php b/php/db.php
index 1291b10..5da1ede 100644
--- a/php/db.php
+++ b/php/db.php
@@ -6,4 +6,4 @@
 $conn = new mysqli($credentials->servername(), $credentials->username(), $credentials->password(), $credentials->dbname());
 
 if ($conn->connect_error) die("Connection failed: " . $conn->connect_error);
-$conn->set_charset("utf8");
+$conn->set_charset("utf8mb4");