diff --git a/email-service-provider/src/main/java/life/qbic/infrastructure/email/EmailServiceProvider.java b/email-service-provider/src/main/java/life/qbic/infrastructure/email/EmailServiceProvider.java
index 60eac91cf..0d7425fa9 100644
--- a/email-service-provider/src/main/java/life/qbic/infrastructure/email/EmailServiceProvider.java
+++ b/email-service-provider/src/main/java/life/qbic/infrastructure/email/EmailServiceProvider.java
@@ -95,7 +95,8 @@ private MimeMessage setupMessage(
       Content content)
       throws MessagingException {
     var message = setupMessageWithoutContent(subject, recipient);
-    message.setContent(combineMessageWithRegards(content).value(), "text/plain");
+    message.setText(combineMessageWithRegards(content).value(), StandardCharsets.UTF_8.name(),
+        "plain");
     return message;
   }