diff --git a/demo/os/windows/easylogger/port/elog_port.c b/demo/os/windows/easylogger/port/elog_port.c
index de47b6e..68b43ec 100644
--- a/demo/os/windows/easylogger/port/elog_port.c
+++ b/demo/os/windows/easylogger/port/elog_port.c
@@ -28,14 +28,13 @@
 
 #include <elog.h>
 #include <stdio.h>
-#include <pthread.h>
 #include <windows.h>
 
 #ifdef ELOG_FILE_ENABLE
 #include <elog_file.h>
 #endif
 
-static pthread_mutex_t output_lock;
+static HANDLE output_lock = NULL;
 
 /**
  * EasyLogger port initialize
@@ -45,7 +44,7 @@ static pthread_mutex_t output_lock;
 ElogErrCode elog_port_init(void) {
     ElogErrCode result = ELOG_NO_ERR;
 
-    pthread_mutex_init(&output_lock, NULL);
+    output_lock = CreateMutex(NULL, FALSE, NULL);
 
 #ifdef ELOG_FILE_ENABLE
     elog_file_init();
@@ -73,14 +72,14 @@ void elog_port_output(const char *log, size_t size) {
  * output lock
  */
 void elog_port_output_lock(void) {
-    pthread_mutex_lock(&output_lock);
+    WaitForSingleObject(output_lock, INFINITE);
 }
 
 /**
  * output unlock
  */
 void elog_port_output_unlock(void) {
-    pthread_mutex_unlock(&output_lock);
+    ReleaseMutex( output_lock );
 }
 
 
diff --git a/demo/os/windows/make.bat b/demo/os/windows/make.bat
index 8662afa..828b5a5 100644
--- a/demo/os/windows/make.bat
+++ b/demo/os/windows/make.bat
@@ -4,4 +4,4 @@ gcc -I "easylogger\inc" -I "..\..\..\easylogger\inc" -O0 -g3 -Wall -c  "..\..\..
 gcc -I "easylogger\inc" -I "..\..\..\easylogger\inc" -O0 -g3 -Wall -c  "..\..\..\easylogger\plugins\file\elog_file.c" -o "out\elog_file.o"
 gcc -I "easylogger\inc" -I "..\..\..\easylogger\inc" -I "..\..\..\easylogger\plugins\file" -O0 -g3 -Wall -c  "..\..\..\easylogger\plugins\file\elog_file_port.c" -o "out\elog_file_port.o"
 gcc -I "easylogger\inc" -I "..\..\..\easylogger\inc" -O0 -g3 -Wall -c "main.c" -o "out\main.o"
-gcc -o out\EasyLoggerWinDemo.exe "out\main.o" "out\elog_utils.o" "out\elog.o" "out\elog_port.o" "out\elog_file.o" "out\elog_file_port.o" -lpthread
+gcc -o out\EasyLoggerWinDemo.exe "out\main.o" "out\elog_utils.o" "out\elog.o" "out\elog_port.o" "out\elog_file.o" "out\elog_file_port.o"