diff --git a/app/src/main/java/eu/faircode/email/EntityMessage.java b/app/src/main/java/eu/faircode/email/EntityMessage.java
index e1c583319d..7ebc8296c6 100644
--- a/app/src/main/java/eu/faircode/email/EntityMessage.java
+++ b/app/src/main/java/eu/faircode/email/EntityMessage.java
@@ -223,7 +223,7 @@ public class EntityMessage implements Serializable {
                     Objects.equals(this.subject, other.subject) &&
                     Objects.equals(this.size, other.size) &&
                     this.content == other.content &&
-                    // plain_only
+                    Objects.equals(this.plain_only, other.plain_only) &&
                     Objects.equals(this.preview, other.preview) &&
                     // sent
                     this.received.equals(other.received) &&