Change summary
  src/main/java/eu/siacs/conversations/generator/MessageGenerator.java | 3 
1 file changed, 3 insertions(+)
  Detailed changes
  
  
    
    @@ -229,6 +229,9 @@ public class MessageGenerator extends AbstractGenerator {
         final var fallback = packet.addChild("fallback", "urn:xmpp:fallback:0").setAttribute("for", "urn:xmpp:reactions:0");
         fallback.addChild("body", "urn:xmpp:fallback:0");
 
+        final var thread = inReplyTo.getThread();
+        if (thread != null) packet.addChild(thread);
+
         packet.addChild("store", "urn:xmpp:hints");
         return packet;
     }