diff --git a/servers/slapd/sets.c b/servers/slapd/sets.c
index d7c56fa9ed..d8de70044d 100644
--- a/servers/slapd/sets.c
+++ b/servers/slapd/sets.c
@@ -200,6 +200,7 @@ slap_set_join(
 							cp->set_op->o_tmpfree( rset[ i ].bv_val, cp->set_op->o_tmpmemctx );
 							rset[ i ] = rset[ --rlast ];
 							BER_BVZERO( &rset[ rlast ] );
+							i--;
 						}
 						exists = 1;
 						break;