diff --git a/src/main/java/eu/siacs/conversations/entities/Message.java b/src/main/java/eu/siacs/conversations/entities/Message.java
index 4a49d1b3..c5831e7e 100644
--- a/src/main/java/eu/siacs/conversations/entities/Message.java
+++ b/src/main/java/eu/siacs/conversations/entities/Message.java
@@ -363,7 +363,7 @@ public class Message extends AbstractEntity {
 						&& this.counterpart.equals(message.getCounterpart())
 						&& (body.equals(otherBody)
 						||(message.getEncryption() == Message.ENCRYPTION_PGP
-						&&  message.getRemoteMsgId().matches("[0-9a-f]{8}-[0-9a-f]{4}-4[0-9]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}"))) ;
+						&&  message.getRemoteMsgId().matches("[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}"))) ;
 			} else {
 				return this.remoteMsgId == null
 						&& this.counterpart.equals(message.getCounterpart())