diff --git a/exec/totemsrp.c b/exec/totemsrp.c
index 11a59fd8..58faa876 100644
--- a/exec/totemsrp.c
+++ b/exec/totemsrp.c
@@ -2466,7 +2466,7 @@ static int orf_token_rtr (
 			orf_token->rtr_list_entries -= 1;
 			assert (orf_token->rtr_list_entries >= 0);
 			memmove (&rtr_list[i], &rtr_list[i + 1],
-				sizeof (struct rtr_item) * (orf_token->rtr_list_entries));
+				sizeof (struct rtr_item) * (orf_token->rtr_list_entries - i));
 
 			instance->stats.mcast_retx++;
 			instance->fcc_remcast_current++;