diff --git a/Core/Resources/Db/MySQL/db.sql b/Core/Resources/Db/MySQL/db.sql
index e572c5b..51757cd 100644
--- a/Core/Resources/Db/MySQL/db.sql
+++ b/Core/Resources/Db/MySQL/db.sql
@@ -46,7 +46,7 @@ CREATE TABLE calendars (
     id INTEGER UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,
     synctoken INTEGER UNSIGNED NOT NULL DEFAULT '1',
     components VARBINARY(21)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 
 CREATE TABLE calendarinstances (
     id INTEGER UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,