diff --git a/CHANGELOG.md b/CHANGELOG.md
index c39b4cc..fa2af66 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@
 ##### Removed
 ##### Fixed
 - MySQL plugin: Ensure character set (utf8mb4) and collation (utf8mb4_general_ci) are set correctly when connection to database is established. [#447](https://github.com/Schrolli91/BOSWatch/pull/447)
+- E-Mail plugin: Create MIME-compliant header that can contain any kind of string. [#448](https://github.com/Schrolli91/BOSWatch/pull/448)
 ##### Security
 
 
diff --git a/plugins/eMail/eMail.py b/plugins/eMail/eMail.py
index ec271b2..b8b5ea0 100644
--- a/plugins/eMail/eMail.py
+++ b/plugins/eMail/eMail.py
@@ -13,6 +13,7 @@ import logging # Global logger
 
 import smtplib #for the SMTP client
 from email.mime.text import MIMEText # Import the email modules we'll need
+from email.header import Header # Import the email modules we'll need
 from email.utils import formatdate # need for confirm to RFC2822 standard
 from email.utils import make_msgid # need for confirm to RFC2822 standard
 
@@ -61,7 +62,7 @@ def doSendmail(server, subject, mailtext):
 		msg = MIMEText(mailtext, 'plain', 'UTF-8')
 		msg['From'] = globalVars.config.get("eMail", "from")
 		msg['To']   = globalVars.config.get("eMail", "to")
-		msg['Subject'] = subject
+		msg['Subject'] = Header(subject, 'UTF-8')
 		msg['Date'] = formatdate()
 		msg['Message-Id'] = make_msgid()
 		msg['Priority'] = globalVars.config.get("eMail", "priority")