diff --git a/mbuni/mmlib/mms_util.c b/mbuni/mmlib/mms_util.c
index c1d4c67..be9f0f6 100644
--- a/mbuni/mmlib/mms_util.c
+++ b/mbuni/mmlib/mms_util.c
@@ -165,7 +165,7 @@ int mms_decodefetchurl(Octstr *fetch_url,
 Octstr *mms_maketransid(char *qf, Octstr *mmscname)
 {
      Octstr *res;
-     Octstr *x;
+     Octstr *x, *y = NULL;
      static int ct;
      
      if (!qf) 
@@ -174,9 +174,12 @@ Octstr *mms_maketransid(char *qf, Octstr *mmscname)
      else
 	  x = octstr_create(qf);
      
-     res = octstr_format("%S@%S", x, mmscname);
+     y = md5digest(mmscname);
+     
+     res = octstr_format("%S@%.5s", x, octstr_get_cstr(y));
      
      octstr_destroy(x);
+     octstr_destroy(y);
 
      return res;
 }