diff --git a/src/zabbix_server/housekeeper/housekeeper.c b/src/zabbix_server/housekeeper/housekeeper.c
index 7e666999b1..ce4c42406c 100644
--- a/src/zabbix_server/housekeeper/housekeeper.c
+++ b/src/zabbix_server/housekeeper/housekeeper.c
@@ -677,10 +677,10 @@ static int	housekeeping_process_rule(int now, zbx_hk_rule_t *rule)
 		char			buffer[MAX_STRING_LEN];
 		char			*sql = NULL;
 		size_t			sql_alloc = 0, sql_offset;
-		zbx_vector_uint64_t	ids;
+		zbx_vector_str_t	ids;
 		int			ret;
 
-		zbx_vector_uint64_create(&ids);
+		zbx_vector_str_create(&ids);
 
 		rule->min_clock = MIN(keep_from, rule->min_clock + HK_MAX_DELETE_PERIODS * hk_period);
 
@@ -703,10 +703,7 @@ static int	housekeeping_process_rule(int now, zbx_hk_rule_t *rule)
 
 			while (NULL != (row = DBfetch(result)))
 			{
-				zbx_uint64_t	id;
-
-				ZBX_STR2UINT64(id, row[0]);
-				zbx_vector_uint64_append(&ids, id);
+				zbx_vector_str_append(&ids, row[0]);
 			}
 			DBfree_result(result);
 
@@ -715,18 +712,18 @@ static int	housekeeping_process_rule(int now, zbx_hk_rule_t *rule)
 
 			sql_offset = 0;
 			zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "delete from %s where", rule->table);
-			DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, rule->field_name, ids.values,
+			DBadd_str_condition_alloc(&sql, &sql_alloc, &sql_offset, rule->field_name, ids.values,
 					ids.values_num);
 
 			if (ZBX_DB_OK > (ret = DBexecute("%s", sql)))
 				break;
 
 			deleted += ret;
-			zbx_vector_uint64_clear(&ids);
+			zbx_vector_str_clear(&ids);
 		}
 
 		zbx_free(sql);
-		zbx_vector_uint64_destroy(&ids);
+		zbx_vector_str_destroy(&ids);
 	}
 
 	zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%d", __func__, deleted);