diff --git a/modules/http_proxy/http_proxy_base_sslstriper.go b/modules/http_proxy/http_proxy_base_sslstriper.go
index 0c1d664b..5cffcd6b 100644
--- a/modules/http_proxy/http_proxy_base_sslstriper.go
+++ b/modules/http_proxy/http_proxy_base_sslstriper.go
@@ -296,6 +296,7 @@ func (s *SSLStripper) fixResponseHeaders(res *http.Response) {
 	res.Header.Del("X-Download-Options")
 	res.Header.Del("X-Permitted-Cross-Domain-Policies")
 	res.Header.Del("X-Xss-Protection")
+	res.Header.Del("Content-Length")
 	res.Header.Set("Allow-Access-From-Same-Origin", "*")
 	res.Header.Set("Access-Control-Allow-Origin", "*")
 	res.Header.Set("Access-Control-Allow-Methods", "*")