diff --git a/app/src/main/java/eu/faircode/email/MessageHelper.java b/app/src/main/java/eu/faircode/email/MessageHelper.java
index b7a1950327..1d875779f2 100644
--- a/app/src/main/java/eu/faircode/email/MessageHelper.java
+++ b/app/src/main/java/eu/faircode/email/MessageHelper.java
@@ -536,6 +536,7 @@ public class MessageHelper {
 
         if ("high".equalsIgnoreCase(header) ||
                 "highest".equalsIgnoreCase(header) ||
+                "u".equalsIgnoreCase(header) || // Urgent?
                 "urgent".equalsIgnoreCase(header) ||
                 "critical".equalsIgnoreCase(header) ||
                 "yes".equalsIgnoreCase(header))