diff --git a/seafile-server-centos-7-amd64-http b/seafile-server-centos-7-amd64-http
index 05c738d..fda56b3 100644
--- a/seafile-server-centos-7-amd64-http
+++ b/seafile-server-centos-7-amd64-http
@@ -208,6 +208,7 @@ server {
         proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_connect_timeout  36000s;
         proxy_read_timeout  36000s;
+        proxy_request_buffering    off;
     }
     location /media {
         root /opt/seafile/seafile-server-latest/seahub;
diff --git a/seafile-server-ubuntu-16-04-amd64-http b/seafile-server-ubuntu-16-04-amd64-http
index 09edbb7..b4865da 100644
--- a/seafile-server-ubuntu-16-04-amd64-http
+++ b/seafile-server-ubuntu-16-04-amd64-http
@@ -180,6 +180,7 @@ server {
          proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
          proxy_connect_timeout  36000s;
          proxy_read_timeout  36000s;
+         proxy_request_buffering    off;
     }
     location /media {
         root /opt/seafile/seafile-server-latest/seahub;