diff --git a/app/src/main/java/eu/faircode/email/MessageHelper.java b/app/src/main/java/eu/faircode/email/MessageHelper.java
index dde5bf3728..34c2b8eafc 100644
--- a/app/src/main/java/eu/faircode/email/MessageHelper.java
+++ b/app/src/main/java/eu/faircode/email/MessageHelper.java
@@ -475,6 +475,7 @@ public class MessageHelper {
             return null;
 
         header = new String(header.getBytes(StandardCharsets.ISO_8859_1));
+        header = decodeMime(header);
         return InternetAddress.parseHeader(header, false);
     }