diff --git a/hls/config b/hls/config
index afadaa3..24624cb 100644
--- a/hls/config
+++ b/hls/config
@@ -9,5 +9,5 @@ NGX_ADDON_SRCS="$NGX_ADDON_SRCS                             \
                 $ngx_addon_dir/ngx_rtmp_hls_module.c        \
                 "
 
-CORE_LIBS="$CORE_LIBS -lavformat"
+CORE_LIBS="$CORE_LIBS -lavformat -lavcodec -lavutil"