diff --git a/lib/resty/logger/socket.lua b/lib/resty/logger/socket.lua
index 0ef8bef..4e3cd43 100644
--- a/lib/resty/logger/socket.lua
+++ b/lib/resty/logger/socket.lua
@@ -80,7 +80,7 @@ local max_retry_times       = 3
 local retry_interval        = 100         -- 0.1s
 local pool_size             = 10
 local flushing
-local logger_initted
+local logger_initted        = false
 local counter               = 0
 local ssl_session
 
@@ -328,7 +328,7 @@ local function _flush()
     return bytes
 end
 
-local function _periodic_flush(premature)
+local function _periodic_flush(premature, initted)
     if premature then
         exiting = true
     end
@@ -347,7 +347,11 @@ local function _periodic_flush(premature)
         need_periodic_flush = true
     end
 
-    timer_at(periodic_flush, _periodic_flush)
+    if not initted then
+        return
+    end
+
+    timer_at(periodic_flush, _periodic_flush, logger_initted)
 end
 
 local function _flush_buffer()
@@ -488,7 +492,7 @@ function _M.init(user_config)
                     .. periodic_flush .. " seconds")
         end
         need_periodic_flush = true
-        timer_at(periodic_flush, _periodic_flush)
+        timer_at(periodic_flush, _periodic_flush, logger_initted)
     end
 
     return logger_initted