diff --git a/src/sf_service.c b/src/sf_service.c
index 99ffb89..f7e5a8d 100644
--- a/src/sf_service.c
+++ b/src/sf_service.c
@@ -472,29 +472,29 @@ int sf_startup_schedule(pthread_t *schedule_tid)
 
     ScheduleArray scheduleArray;
     ScheduleEntry scheduleEntries[SCHEDULE_ENTRIES_COUNT];
-    int id;
+    int index;
 
     scheduleArray.entries = scheduleEntries;
     scheduleArray.count = 0;
 
     memset(scheduleEntries, 0, sizeof(scheduleEntries));
 
-    id = scheduleArray.count++;
-    INIT_SCHEDULE_ENTRY(scheduleEntries[id], id, TIME_NONE, TIME_NONE, 0,
+    index = scheduleArray.count++;
+    INIT_SCHEDULE_ENTRY(scheduleEntries[index], index + 1, TIME_NONE, TIME_NONE, 0,
              g_sf_global_vars.sync_log_buff_interval, log_sync_func, &g_log_context);
 
     if (g_sf_global_vars.rotate_error_log) {
         log_set_rotate_time_format(&g_log_context, "%Y%m%d");
 
-        id = scheduleArray.count++;
-        INIT_SCHEDULE_ENTRY(scheduleEntries[id], id, 0, 0, 0,
+        index = scheduleArray.count++;
+        INIT_SCHEDULE_ENTRY(scheduleEntries[index], index + 1, 0, 0, 0,
              86400, log_notify_rotate, &g_log_context);
 
         if (g_sf_global_vars.log_file_keep_days > 0) {
             log_set_keep_days(&g_log_context, g_sf_global_vars.log_file_keep_days);
 
-            id = scheduleArray.count++;
-            INIT_SCHEDULE_ENTRY(scheduleEntries[id], id, 1, 0, 0,
+            index = scheduleArray.count++;
+            INIT_SCHEDULE_ENTRY(scheduleEntries[index], index + 1, 1, 0, 0,
                     86400, log_delete_old_files, &g_log_context);
         }
     }