diff --git a/package/libvpx/libvpx.mk b/package/libvpx/libvpx.mk
index c7245885d9..26d211cf86 100644
--- a/package/libvpx/libvpx.mk
+++ b/package/libvpx/libvpx.mk
@@ -20,6 +20,13 @@ LIBVPX_CONF_OPTS = \
 	--disable-docs \
 	--disable-unit-tests
 
+# vp9/ratectrl_rtc.cc
+ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
+LIBVPX_CONF_OPTS += --enable-vp9-encoder
+else
+LIBVPX_CONF_OPTS += --disable-vp9-encoder
+endif
+
 # This is not a true autotools package.  It is based on the ffmpeg build system
 define LIBVPX_CONFIGURE_CMDS
 	(cd $(LIBVPX_SRCDIR) && rm -rf config.cache && \