diff --git a/package/libdvdnav/libdvdnav.mk b/package/libdvdnav/libdvdnav.mk
index d4c3b0c200..c5bebd4926 100644
--- a/package/libdvdnav/libdvdnav.mk
+++ b/package/libdvdnav/libdvdnav.mk
@@ -8,6 +8,7 @@ LIBDVDNAV_VERSION = 6.1.0
 LIBDVDNAV_SOURCE = libdvdnav-$(LIBDVDNAV_VERSION).tar.bz2
 LIBDVDNAV_SITE = http://www.videolan.org/pub/videolan/libdvdnav/$(LIBDVDNAV_VERSION)
 LIBDVDNAV_INSTALL_STAGING = YES
+LIBDVDNAV_CONF_ENV = CFLAGS="$(TARGET_CFLAGS) -std=gnu99"
 LIBDVDNAV_DEPENDENCIES = libdvdread host-pkgconf
 LIBDVDNAV_LICENSE = GPL-2.0+
 LIBDVDNAV_LICENSE_FILES = COPYING