diff --git a/runbot/runbot.xml b/runbot/runbot.xml
index bc7c5e46..0fe02ba9 100644
--- a/runbot/runbot.xml
+++ b/runbot/runbot.xml
@@ -571,6 +571,7 @@ http {
     include /etc/nginx/mime.types;
     server_names_hash_max_size 512;
     server_names_hash_bucket_size 256;
+    client_max_body_size 10M;
     index index.html;
     log_format full '$remote_addr - $remote_user [$time_local] '
                     '"$request" $status $body_bytes_sent '