diff --git a/hls/ngx_rtmp_hls_module.c b/hls/ngx_rtmp_hls_module.c
index 0c4383e..c5d2030 100644
--- a/hls/ngx_rtmp_hls_module.c
+++ b/hls/ngx_rtmp_hls_module.c
@@ -431,6 +431,7 @@ retry:
     p = ngx_snprintf(buffer, sizeof(buffer), 
             "#EXTM3U\r\n"
             "#EXT-X-TARGETDURATION:%i\r\n"
+            "#EXT-X-ALLOW-CACHE:NO\r\n"
             "#EXT-X-MEDIA-SEQUENCE:%i\r\n\r\n",
             /*TODO: float*/(ngx_int_t)(hacf->fraglen / 1000), ffrag);
     n = write(fd, buffer, p - buffer);