diff --git a/vars/build.vars b/vars/build.vars
index 54e08de..9fb9760 100644
--- a/vars/build.vars
+++ b/vars/build.vars
@@ -1475,6 +1475,7 @@ mailutils mtr mutt microsocks nginx openlitespeed openssh pacman rsync socat tht
 : ${PKG_NGINX_SHA256SUM:=4a667f40f9f3917069db1dea1f2d5baa612f1fa19378aadf71502e846a424610};
 : ${PKG_NGINX_VERSION:=1.11.3};
 : ${PKG_NGINX_URL:=http://nginx.org/download/nginx-${PKG_NGINX_VERSION}.tar.gz};
+: ${PKG_NGINX_CFLAGS_BUILD_EXTRA:="-Wno-sign-compare"};
 : ${PKG_NGINX_CONFIGURE_ARGS:="--prefix="};
 : ${PKG_NGINX_ENV_VARS_EXTRA:=CC=${DEFAULT_TARGET}-gcc};
 : ${PKG_NGINX_IN_TREE:=1};