diff --git a/src/net/java/sip/communicator/impl/protocol/jabber/extensions/jingle/SourceGroupPacketExtension.java b/src/net/java/sip/communicator/impl/protocol/jabber/extensions/jingle/SourceGroupPacketExtension.java
index 1df714ddc..4cd4394ba 100644
--- a/src/net/java/sip/communicator/impl/protocol/jabber/extensions/jingle/SourceGroupPacketExtension.java
+++ b/src/net/java/sip/communicator/impl/protocol/jabber/extensions/jingle/SourceGroupPacketExtension.java
@@ -21,7 +21,6 @@
 public class SourceGroupPacketExtension
         extends AbstractPacketExtension
 {
-
     /**
      * The name of the "ssrc-group" element.
      */
@@ -42,6 +41,11 @@ public class SourceGroupPacketExtension
      */
     public static final String SEMANTICS_SIMULCAST = "SIM";
 
+    /**
+     * The constant used for flow identification (see RFC5888).
+     */
+    public static final String SEMANTICS_FID = "FID";
+
     /**
      * Return new instance of <tt>SourceGroupPacketExtension</tt> with simulcast
      * semantics pre-configured.