diff --git a/test_conf/test_conf.cpp b/test_conf/test_conf.cpp
index d89d43e..230a106 100644
--- a/test_conf/test_conf.cpp
+++ b/test_conf/test_conf.cpp
@@ -3,6 +3,7 @@
 #include<event2/event.h>
 #include<event2/thread.h>
 #include<event2/listener.h>
+#include <string.h>
 #ifdef _WIN32
 	
 #else