diff --git a/ngx_rtmp.h b/ngx_rtmp.h
index 132a9f5..2d575f2 100644
--- a/ngx_rtmp.h
+++ b/ngx_rtmp.h
@@ -16,6 +16,12 @@
 #include "ngx_rtmp_bandwidth.h"
 
 
+#if (NGX_WIN32)
+typedef __int8              int8_t;
+typedef unsigned __int8     uint8_t;
+#endif
+
+
 typedef struct {
     void                  **main_conf;
     void                  **srv_conf;