diff --git a/ngx_rtmp_play_module.c b/ngx_rtmp_play_module.c
index f6ea6c3..3e550de 100644
--- a/ngx_rtmp_play_module.c
+++ b/ngx_rtmp_play_module.c
@@ -110,7 +110,7 @@ ngx_module_t  ngx_rtmp_play_module = {
 };
 
 
-#define NGX_RTMP_PLAY_TMP_FILE              "nginx-rtmp-vod."
+#define NGX_RTMP_PLAY_TMP_FILE              "nginx-http-flv-vod."
 
 
 static void *