diff --git a/zuul-simple-webapp/src/main/groovy/filters/pre/PreDecoration.groovy b/zuul-simple-webapp/src/main/groovy/filters/pre/PreDecoration.groovy
index 0ef694bde3..e65d2c9340 100644
--- a/zuul-simple-webapp/src/main/groovy/filters/pre/PreDecoration.groovy
+++ b/zuul-simple-webapp/src/main/groovy/filters/pre/PreDecoration.groovy
@@ -44,6 +44,9 @@ class PreDecorationFilter extends ZuulFilter {
         // sets origin
         ctx.setRouteHost(new URL("http://apache.org/"));
 
+        // set origin host header
+        ctx.addZuulRequestHeader("Host","apache.org");
+
         // sets custom header to send to the origin
         ctx.addOriginResponseHeader("cache-control", "max-age=3600");
     }
diff --git a/zuul-simple-webapp/src/main/groovy/filters/route/SimpleHostRequest.groovy b/zuul-simple-webapp/src/main/groovy/filters/route/SimpleHostRequest.groovy
index 958fdf472b..6f7e11e4cc 100644
--- a/zuul-simple-webapp/src/main/groovy/filters/route/SimpleHostRequest.groovy
+++ b/zuul-simple-webapp/src/main/groovy/filters/route/SimpleHostRequest.groovy
@@ -306,6 +306,7 @@ class SimpleHostRoutingFilter extends ZuulFilter {
 
     boolean isValidHeader(String name) {
         if (name.toLowerCase().contains("content-length")) return false;
+        if (name.toLowerCase().equals("host")) return false; // set host according to origin vhost
         if (!RequestContext.currentContext.responseGZipped) {
             if (name.toLowerCase().contains("accept-encoding")) return false;
         }