diff --git a/zh_syslog.c b/zh_syslog.c
index e2d22f6..1ae5266 100644
--- a/zh_syslog.c
+++ b/zh_syslog.c
@@ -1,5 +1,7 @@
 #include "zh_syslog.h"
 
+static const char *TAG = "zh_syslog";
+
 #define ZH_LOGI(msg, ...) ESP_LOGI(TAG, msg, ##__VA_ARGS__)
 #define ZH_LOGE(msg, err, ...) ESP_LOGE(TAG, "[%s:%d:%s] " msg, __FILE__, __LINE__, esp_err_to_name(err), ##__VA_ARGS__)
 
@@ -11,8 +13,6 @@
         return err;                                  \
     }
 
-static const char *TAG = "zh_syslog";
-
 static struct sockaddr_in _syslog_server = {0};
 volatile static int _socket = -1;
 volatile static bool _is_initialized = false;