diff --git a/lib/sockunion.c b/lib/sockunion.c
index 13b0be6..e4b311c 100644
--- a/lib/sockunion.c
+++ b/lib/sockunion.c
@@ -344,8 +344,13 @@
 	{
 #ifdef HAVE_SIN6_SCOPE_ID
 	  /* su.sin6.sin6_scope_id = ifindex; */
+#ifdef MUSICA
+	  su.sin6.sin6_scope_id = ifindex; 
+#endif
 #endif /* HAVE_SIN6_SCOPE_ID */
+#ifndef MUSICA
 	  SET_IN6_LINKLOCAL_IFINDEX (su.sin6.sin6_addr, ifindex);
+#endif
 	}
 #endif /* KAME */
       break;