diff --git a/libtransmission/tr-dht.c b/libtransmission/tr-dht.c
index 4123f1098..6643aeb15 100644
--- a/libtransmission/tr-dht.c
+++ b/libtransmission/tr-dht.c
@@ -163,7 +163,10 @@ tr_dhtInit(tr_session *ss)
         have_id = TRUE;
     }
 
-    tr_snprintf( v, sizeof( v ), "TR%02x", SVN_REVISION_NUM );
+    v[0] = 'T';
+    v[1] = 'R';
+    v[2] = (SVN_REVISION_NUM >> 8) & 0xFF; 
+    v[3] = SVN_REVISION_NUM & 0xFF; 
     rc = dht_init( dht_socket, myid, (const unsigned char*)v );
     if(rc < 0)
         goto fail;